WILL THIS CHEAP RANGE ROVER EVER RUN AGAIN ???
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- Опубликовано: 26 июл 2022
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Autel Diagnostic machine
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In this video we continue to work on the Range Rover Sport and hope that we can fix it.
Working at our fully equipped workshop in Kent we carry out tasks including Panel beating , Body work , Mig Welding , Sheet metal Spot Welding , Fabrication Chassis Repairs , Sand Blasting , Engine and Mechanical repairs , DPF cleaning , Restoration and Structural repairs on the Celette Jig frame machine.
We do hope you enjoy this video and Check out our other videos on all kinds of vehicles including Barn finds , Quick flips , First wash , Repairs , Salvage , Restorations , Will it run , Will it Start , Fail , Accident damaged , Cat S , Cat N , Cat X Copart auction bargains , Non Runner , NON Running , Banger ,Flood damage , insurance write off , fire damage , smoke damage , electrical fault , stolen recovered , Unfinished project and anything else that arrives at the #Salvagerebuildsuk workshop. #RobandChris .Please note We do not ' cut and shut ' and have no videos on this subject.
Please check out our back catalogue of some previous projects on various different makes and models including Ferrari, RS Turbo , Lambo , Land Rover , MG , MGF , Caterham 7 , Ford , Cosworth , Vauxhall , Fiat , Peugeot , Mercedes , Range Rover ,Bentley , Morris , Renault , Citroen , Honda , Toyota , VW , Series 3 , Evoque , GLA , Golf , 500 , Fiesta , Astra , Polo , Motorhome , Auto sleeper Camper , GTI , LSE , Lamborghini , Gallardo , LP 570-4 , Sierra , Midget , 360 , Transit , Crafter , Transporter , T5 , Combo, Berlingo , Partner , Mini , Beetle , Vivaro , Hilux , Sport and many more!
If you have a vehicle for sale that you think will be of interest to us please message Rob via Instagram and please include a contact phone number. We buy all sorts of vehicles , Boats and classic cars including Austin , Morris , Healey , Mg , Sunbeam , Talbot , Opel , XR2 , XR3 , XR4 , Bentley , Jaguar XJ6 XJ12 XJS , E Type , XKR , BMW E36 , 205 GTI , VW GTI , Viva , Astra GTE 2.0XE , Red Top , Triumph TR , VW Golf Beetle , Rover , MGB , 2CV , Midget , Nova , Chevette , Capri , P100 , lancia , Cortina MK1 Mk2 MK3 MK4 MK5 , GT6 , Jensen , Lotus , Bedford , J type , Minor , Datsun , Toyota , Sunseeker , Princess , Fairline , Windy , Hardy , RIB , Shetland , Fletcher , Bayliner , Searay , Pilot , Shakespere and many more!
We do receive quite a few questions regarding tools and equipment that we use for various jobs. Unfortunately there is to many to list but some of the brands we use include Snap-on, Blue-point , Makita , Sealey , Clark , Esab and Sykes-Pickavant .
If you are interested in a specific tool, please put your question in the comments section of the relevant video
Working at our fully equipped workshop in Kent we carry out tasks including Panel beating, Body work, Mig Welding, Sheet metal Spot Welding, Fabrication, Chassis Repairs, Sand Blasting, Engine and Mechanical repairs, DPF cleaning, Restoration and Structural repairs on the Celette Jig frame machine.
We do hope you enjoy this video and Check out our other videos on all kinds of vehicles including Barn finds, Quick flips, First wash, Repairs, Salvage, Restorations, Will it run, Accident damaged, Cat S, Cat N, Cat X Copart auction bargains, Non Runner, Flood damage, insurance write off, fire damage, smoke damage, electrical fault, stolen recovered, and anything else that arrives at the #Salvagerebuildsuk workshop. #RobandChris
Please check out our back catalogue of some previous projects on various different makes and models including Ferrari, Land Rover, MG, Caterham, Ford, Cosworth, Vauxhall, Fiat, Peugeot, Mercedes, Range Rover, Morris, Renault, Citroen, Honda, Toyota, VW, Series 3, Evoque, GLA, Golf, 500, Fiesta, Astra, Polo, Motorhome, Auto sleeper Camper, GTI, LSE, Sierra, Midget, 360, Transit, Crafter, Transporter, T5, Combo, Berlingo, Partner, Mini, Beetle, Vivaro, Hilux, Sport and many more!
We do receive quite a few questions regarding tools and equipment that we use for various jobs. Unfortunately there is to many to list but some of the brands we use include Snap-on, Blue-point, Makita, Sealey, Clark, Esab 
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Even tho we didn't get the result these videos show the real work, time and h3ad scratching that goes in to some of these projects as it's not always a simple fix and go. This is why 250k subscribers are here week in week out guys! 👍
Congratulations on the 250k Rob and Chris, well deserved. Your tenacity is what sets you apart. You'll get it running and driving again. Love this channel.
I am not a mechanic, but, i am learning all the time from you guys. You’ve give me the confidence to do my own car services (oil, filters snd fluids). Now i am on a course to learn more, thank you to both of you for the education and entertainment. maybe the start of something here!!! Congrats to you both on the 1-4 million subscribers… well deserved.
Change the crank sensor ,first cheap change that could bring it back to life..
250.000 is a great achievement for two honest guys and to all of us in the midlands,that accent cracks us up 👍😎dave
Rob you need to check the code setting criteria for the fuel related error codes. My guess would be the ecu preventing the injectors firing and cutting fuel delivery. Congrats on the 250k subscribers well done 👍
Fully agree with this comment. Just because nothing at injectors doesn’t mean pump isn’t working. It appears to be returning to tank due to what ever is causing issue. Check that fuel pressure sensor
100% Agree
No expert, but I watch a lot of RUclips car electrical diagnostic videos. Mostly American and one Dutch. These guys know what they are about and in this situation they would do exactly what toolmanchris suggests. Once they find out the code setting criteria they persue the root cause of the problem. Mind you they seem to have very good access to manufacturers wiring diagrams etc. Anyway good luck.
@@deniscarr469 Wiring diagrams can be found online
Congratulations on the 250k subscribers, two genuine guys doing what they know best, making a few quid along the way, sharing the experience and above all having a bit of a laugh as well - keep it up guys you deserve all the credits these posts are outlining
You need over 5000psi of fuel pressure for it to start. As you're struggling to get 1000psi I'd definitely say pump or lift pump. Check for swarf in the tank in a clean container and magnet. Replacing the pump will require all fuel lines cleaning then there's no guarantee swarf hasn't found their way to the injectors. Good luck it's been a good project to watch so far!
Rob my d3 tdv6 had a can bus problem that stopped the car starting, after loads of analysis with my oscilloscope on the medium and high speed bus I tracked it down to the gateway device in the instrument cluster. They have solder joint problems. What gave it away was the LCD information display not showing outside temperature. It actually makes the car think it has crashed so shuts down the fuel system and give loads of communication indications etc for the other ecus. The cluster repair was £150 on a two day turn around.
Congrats on the 250k boys, much deserved. Onwards and upwards.
Similar happened on one of the earlier episodes of Wheeler Dealers and it was a small injector wiring loom that he ordered from JLR and remedied it. In their case it was only affecting one bank of cylinders but could be similar
I was just thinking exactly the same thing
I remember that episode...edd was on wheeler dealer before he left the show
Was the older td6
Nothing to do with this issue I'm afraid
@@loeb1 it was the black one they converted to white l332
A huge congratulations to you both. 250k subscribers is a huge deal. Your honesty and clarity of your work is brilliant. You both keep doing what you are doing, because it's clearly working.
All the very best.
Hearty Congrats on hitting 250k subscribers Rob & Chris - shows just how much interest there is out there, and how much people appreciate what you do, and how you do it!
Keep ‘em comin’ and keep up the great work !
Best,
JCHK
Don't think you've tried this but given the age and mileage of car, does look like the crank sensor. They often don't throw a code, just the ECU doesn't think the engine is turning so doesn't pump fuel (and/or fire on a petrol vehicle). The rpm measurement you are getting could be coming from the crankshaft measurement. Usually a very cheap part and I'd definitely now do that first on any vehicle that doesn't run and doesn't really throw a code saying why.
Hope this helps and see you've now reached the 250k!!!
Cheers.
Downside is, you have to remove the turbo or gearbox to get to it in a 2.7 TDV6 😂
Yup try all accessible eliminations first .
@Rick James What a constructive comment, do you have a reason or is just the planets aren't aligned!!
@Rick James that's three vehicles I wouldn't have fixed then. You carry on thinking inside the box.
Hi from Durham guys 👋👍 I hope you guys get it nailed and I know its a long shot but try the fuel rail pressure sensors if there's 2 cos sometimes if they get interrupted signals won't allow to release pressure as all sensors work in connection with each other and if one not sending signal will immobilise the entirety of injector run lol hope to see it done and hope it's not pump but you guys can handle it total confidence in your diagnosis and work 👌 thanks for your time be safe and see you soon 👍 👋
Congratulations on the 250k subscriber's, the channel has grown massively from the early days of Rob on his own. It's been a pleasure watching you both grow and create the brand. Well done Rob and Chris 👏👏
I've got an older (petrol) car that I don't use very often. I think that sometimes the injectors get a bit 'sticky' due to lack of use. Someone showed me that giving the injectors a gentle tap with the plastic handle of a screwdriver can free up any that are stuck. Doing this has appeared to help with getting the car started a few times. So far I've not broken any of the injectors (I know, famous last words).
250K subscribers now. Congratulations.
Congrats on the 250k subscribers on your channel, a fantastic achievement well done SR UK 👌👌👌
Well deserved congratulations on the quarter million subscribers guys, its been quite the journey! Loved every minute of content and looking forward to seeing the next milestone passed! 😎👍✅✅✅✅✅
Hi Rob and Chris , regarding the RR fuel problem ,I had exactly the same problem with a RR TD6 3.0ltr BMW engine . On the rear of the high pressure pump is a fuel shut off solenoid this controls the high pressure fuel to the injectors , when this fails you get the symptons that you are experiencing. After i renewed the one on my RR ir started first time . I am a 69 year old retired mechanic that still likes to keep my hand in , health permitting . Good luck lads .
Congrats on the well earned 250k lads! Been amazing watching you guys grow from a small channel to what it is now in a relatively short period of time. You guys are a well oiled machine! Oh and allot of them faults will clear once its running, just coming up during first time check after fault clear / battery removed. The circuit open one is the one that stood out to me. Possibly bad earth/broken/damaged connection inside pump? Possibly pulled or bent when belts were changed and went brittle or had water get in someplace corroding. Good luck with that one chaps tough one to diagnose that.
Great video again Chris and Rob, have loved how the channel has grown!! Keep up the hard work as always and stay safe and see you soon on the next one
Great video gents it's good to see all the diagnostic processes and tests you've done. Looking forward to seeing the next installment
I am old school as I've said before but I have always found the 'Haynes ' very useful. I have had cars refusing to start but you do get there in the end and I am confident that you will too. The heatwave last week didn't help you of course. I never complain about the heat but if you have to work outside it is no fun at all.🔥 That new computer looks much more comprehensive than the other one so it will give more accurate and indepth information. Thanks again Rob and Chris for another interesting video. 👍 👍
Faults seem to suggest that even though it's commanding fuel to the rail, there's no pressure there, so it's assuming there is an issue with the fuel rail pressure sensor.
My experience is that the pumps break up internally, generally as a result of petrol being run through them. Chances are, fuel is being directly returned to the filter head due to brass contamination in the pump.
Finally an update on the Range Rover, been waiting for this one!!
By using logic you guys are sure to get this car running. I have complete confidence in you. I had a ford 280 that the main agent could not fix. By substitution with a friend car I solved the problem with the fuel injection. You guys are stars.
Well done guys on the 250 k. Been with you since you only had hundreds and Chris was super camera shy !!! Every success for the future. PS I remember when diesels were easy to work on !!!!
I don’t think the noid light test will work on that fuel system. The ECU can probably detect the resistance of that circuit and is thinking it’s open circuit and shutting down the driver. I’m sure your fault code is talking about the rail pressure sensor at the front end of the passenger side engine bank. It will have more than 2 pins. 7000psi I don’t think is enough to start it.
Best of Luck
You’ve hit it lads. What a channel. Superb effort every time.
Hi guys, congratulations for the great effort, retired mechanic looking in from Australia, had a similar problem of wind no start with our neighbours one month old toyota corolla, took over my trust can of Export degreaser gave it a short spray in the aircleaner induction housing and away it went , the owners had the car for two years and never missed a beat. When i worked in the mining industry we had a large Atlas Copco compresser with a v671 diesel that didn't have a primer pump for the fuel system so we used a rag soaked in petrol and stuffed in the aircleaned to get it going, i would try one of these to atleast get a run out of the engine to hear what it sounds like. Cheers Nick
🎉 on the 250k! That Autel is the same one I got to replace my TopDon - side note, TopDon will do everything they can to prevent you from selling used units on marketplaces, including filing false intellectual property claims (which is illegal). Something to keep in mind if you are considering buying one new
I don't think the diesel is getting through because there's none in the tank. It's been syphoned off into a lawnmower! 😂
🤣🤣🤣
Diesel lawnmowers. .😂😃
pressure in fuel rail drops down to quick , looks like fuel pump fault. and well done on your 250k.
i noticed that also
Well done guys on the 250k subscribers, well deserved and a reflection of the great content and commitment of both of you. Really hope you crack the problem with the Range Rover, it's so frustrating not to get it running. 🎊
Well deserved 250k subs because this is the best and most honest auto channel on RUclips. My favourite car the Land rover I was hoping that the replacement part would start the engine so I could see Rob dancing around with a great big dazzling grin on his face. I agree with others that the fault is the ECU for fuel distribution to the injectors. I know you both will crack the problem and have the disco running soon. Thank you Rob & Chris for another entertaining video. Tom & Hilda
Congrats Rob and Chris. 250k. Subscribers well worth it all the hard work you’ve done with this channel and all the amazing advice you’ve given to everyone and helped with your videos and solving problems this is an amazing channel everyone loves it wishing you both the best for the future and carry on giving us this wonderful content and good luck with the range Rover and everything else you buy
Anything else that your locksmith can identify with the car? I can't imagine you giving up on this one as there must be an answer and some value in it WHEN it runs. 250k subscribers are with you!!
Big well done on the 250K 👏🏻 you guys deserve it, content has always been spot on and every episode Chris confidence on camera gets better and better. Keep them coming gents 👍🏻
Congrats on the 250k! Remember early on you said "we're car guys who do youtube, not youtubers who do cars" and that has held true and why the channel is so great, like a fly on the wall of your business - fascinating and great to see the channel do well, on the range rover I'm also leaning towards fuel pump volume being the problem (pressure o.k. but lack of volume) - no doubt you'll crack it 💪
When you're testing with the multimeter you had it set on the lowest resistance, only 200 ohms - it will show as open circuit if the resistance is above that, set it to the highest setting and come down to find the value... Part might be OC anyway, but if its a valve/solenoid or something the value could be much higher than 200ohms...
Well said; my own thoughts too.
Good catch..that caught me out on the coil of a 240V contactor which I thought was open circuit but in fact the coil resistance was around 2k and I had the meter on too low a range.
Long shot, but it isn’t a fuel line that’s collapsed internally and blocking the fuel supply. Maybe try and jerry rig another fuel line from the pump to the common rail. Just a thought. Great video as usual guys. 😎
There is plenty of fuel to the pump and the lines from the pump are steel 👍
It wouldn't have the 7000 psi in the system that Rob said if a hose had collapsed I think
Pressure alone can be very misleading. It is possible to have very high pressure but low volume. These fuel systems need high pressure and good flow to enable starting and smooth running.
Huge congratulations on the 250k subs without doubt you've earned every one! Your channel in my opinion is the best channel of its kind without doubt. Your professionalism, down to earn personality and general approach is by far better than any other channel. Thanks for the content guys! Good luck to you both
Great news Rob 250K subscribers is a great achievement, I only discovered this channel at the start of Lockdown and it's cult viewing - Thank you
Measure the voltage at the solenoid terminals. Are you getting 12v? Any chance you can do an actuator test for it using the autel? My train of thought is that the ECU driving transistor blew when the solenoid died. Congrats on the 250k, well done boys.
Yeah should check voltage first
Cash??? Is that all the change Chris has found in the motors in the last year? 🥳
Congratulations on approaching your 250k subscribers Chris and Rob. I love your channel, great and varied content, mixed with the genius you’ve both shown in turning these projects around. Well deserved success.
Fantastic news on hitting that amazing 250k subscribers. You guys are so down to earth and hard working. Here’s to the next 250k subscribers👍🏻🇬🇧💪🏻
The fact that the injectors aren’t being fired makes me think it is an electrical fault. Could the faults on the parking brake and transmission modules be stopping the ECU firing the injectors? I assume it needs to see the transmission is in park and the handbrake on before it will allow the engine to fire. Is there good fuel flow from the in tank low pressure pump to the high pressure pump?
Yes if my memory serves me right, there was a small issue that had to be rectified before it would work properly.
I would definitely be considering transmission faults. Could be a sensor that's making it think it's not in park.
Don't know if they've carried out continuity tests on the injector wiring or even checked the fuses. Could be a 70 amp fuse blown. . Who knows.
But I think it wouldn't crank over if that was the case
Kevin……you might be right when you say the fault could lie with the parking brake sensor. I’m sure I’ve seen a similar problem on a car & it was traced back to the sensor that was underneath the centre console panel that houses the parking brake switch/gear stick etc……
So u guys don't think its the diesel pump is the issue?
Great content guys but spoilt by bad sound. I always have trouble hearing Chris, this one is let down by that. Compared with other channels i listen too i really think you should invest in better sound recording equipment, you deserve it.
I’m watching it on my tv it sounds good
Super job, you guys are definitely putting in all the shifts necessary, I hope you get to solve the issue soon.
Well Rob and Chris, you finally made it. 250k subscribers. Not bad for two guys in a small garage but that's all you really need. That, mechanical knowledge and great personalities.
As for the Rangey, I can tell you with absolute certainty what's wrong with it.... It's a xxxxing Range Rover. I would never have another one even if you paid me to have it!!
But good luck with it and the channel. Cheers, Bob
I hope the comp isn't limited to insta users since I don't have social media 😁
Turns out it's limited to insta users 🙁
With the high PSI, I would check for a crimped / restricted fuel line somewhere in the run. 🤔
There all metal 👍
Question is how would that happen? It would take a lot to damage a hose capable of carrying 2700 psi to the point where not much was going through and it wasnt leaking....
250k subscribers, what a massive achievement and very well deserved, a lot of hard work from both of you and really enjoyable content. Please don’t ever change this winning formula, really very many thanks as always guys. Dave.
Hi Rob , i had the same problem with a ford focus diesel , the exact as you are having . I too changed the intank fuel pump
but after a long time trying to find the problem i fixed it !!! it was the fuel pump , the new one was not pumping the fuel to
the injectors . i replaced the fuel pump again for a better one and it worked . I hope its as simple as that for you . Good luck .
Flip it as fast as you can. Unfortunately, Range Rovers aren't known for their reliability. It's quite the opposite, actually, as used models are known for “typical British engineering,” which means leaks, breakdowns, and various other mechanical issues and unusual malfunctions.
Don’t be such a defeatist 👍
Anybody heard the range rover/hedgehog joke 🤣
Whats the difference between a range rover and hedgehog???
With a hedgehog the pricks are on the outside 🤣🤣🤣
On the edge of my seat with this one, looking forward to seeing if the diesel pump sorts it. 👍if gear selector fault or brake sensor as some have mentioned, I think It wouldn't crank at all.
Congratulations on the 250K subs - our favourite RUclips channel by far!! Hope the fix isn’t too far away and there’s finally a good profit in it at the end for all your patience. 😀😀
I had my fingers crossed for you throughout most of the vid, I was gutted when it still wouldn't fire up.
And a massive congratulations on 250k subs, that really is a fantastic achievement and is completely deserved. All the best, Jon.
Hi Rob. This exact scenario was common on 2003ish Sprinters. Start easy on Ether but wouldn't start without. Turned out the Ultra Low Sulphur diesel was destroying the O ring on the fuel rail. Stoppi9ng sensor reading properly. Replaced 2 O rings never had the issue again.
I watched this channel grow and its always got great content , not only great for viewing , but also learning - cheers Rob and Chris
250k - smashed it! Well done both, your hard work is paying off
Congratulations on 250K. I seen similar issue and codes in other car and it was the Fuel Rail Sensor wiring that was broken. Not saying is that but in my case it was!!! Keep the good job guys.
I admire all the hard work you always put in to these videos well done Rob and Chris
Top stuff! Glad you got an Autel! Chris will be able to use it for bidirectional functions etc…
congratulations to you both on reaching 250k subscribers, totally well deserved, have been watching for a couple of years now. once again congrats from Menorca,
Well done....genuine friends Doing honest work quality
Congrats on the 250K chaps :) I love the determination to get this up and running a lot of people would have given up,Will be a smile and a half when that V6 roars to life. :)
Rob & Chris, thank you for your honesty and transparency.
Congratulations on 250k lads 👍👍👍👍👍🇺🇸🇬🇧🇺🇸🇬🇧🇺🇸🇬🇧🇺🇸🇬🇧🇺🇸🇬🇧🇺🇸👌👌👌👌👌👌
Congratulations Guys well done on the 250k! Loving the content and videos, never miss one.
With the Range Rover I'd go down the route of replacing the fuel pressure sensor. Not very expensive and can cause it to not fire up. I've had a similar scenario where it would cut out randomly and at times take forever to build enough pressure to fire up until it eventually gave up. Try replacing it and see if that helps
Keeping an eye out on the next video lads well done
Thanks guys. Same sort of frustrations as you had with the Bentley - chasing your tails to get it going -- you'll do it
Loving the model on the shelf you'll have it running guy's I've every faith in you both 👌👌👌
Great journey with you fellas! Congrats on 250k subscribers. I have personally enjoyed all you videos which are fun and incredibly informative. Next step 500k!
Those Autel machines are great pieces of kit. We’ve got one at work along with a Snap On & a Bosch. The Autel is the only one that gets used
A massive well done guys on reaching the 250k milestones 👏 Great content as always, a great watch. Thanks Rob, Chris 👍
Well done on the 250k lads. I feel your frustration as I have years of similar grief working on a taxi fleet. On thing I would suggest is to disconnect, inspect and reconnect any multiplugs on the fuel system particularly ones exposed to the elements. Also check the vent hole in the fuel tank cap. Good luck!!
Credit to your patience Rob and Chris. Congratulations on seeing 👀 those 250k subs 👏 🙌 ❤
Knew it would only be a short time for 250k… even though I’m new I have gone back so far to the trailer full of cars videos. You guys are meticulous in your work, have an incredible work ethic and the trade is better because of your attitudes and RUclips videos. Keep going, I know you’ll have the Range Rover running soon, you guys aren’t quitters
No experience of this V6 but lots from the early common rail BMW 4 cylinder. Had lots of non starters like this with real difficulty tracing the fault. Nearly always ended up being the fuel rail pressure sensor or the connector/harness to it or the high pressure fuel pump. Lost no end of pumps due to contamination from debris/foreign objects, water is also a killer for the pump. Good luck with the diagnosis.
Best channel by far, thanks t o Rob & Chris for countless hours of pure honest graft ,great entertainment, and great mechanical education for us all. Here's to the next 250,000, well done lads.👍👍🍺🍺
Amazing work! 250K subs! I am just so happy I found your channel, never a dull moment, and good video on the Range Rover!
Rob, LP from the tank pump is 0.3-0.5 bar. During starting you need 150bar 2205psi. Average pressure when running is 1600bar 23520psi at the rails. It can peak at 1650bar.
Check inlet pressure at the schrader valve above the HPP. Low pressure faults cause high pressure faults. If ok, check HPP belt. Pressure control valve is open with no ignition feed, so ign off equals zero pressure. If 2205psi is not achieved, injectors will not be pulsed. The 1700psi you are seeing us a default substitute implausible value, applied by the ecu. If pressure does not rise during cranking and fuel rail pressure switch has its connections and LP is 0.5bar, then the HPP is done.
Hope this helps. Ps injectors ate piezo and fire at 120v, best you dont put your nose lights in them!
Massive congrats on 250k Rob and Chris! This is my favourite car channel on youtube
The fuel injectiors on these 'lion' V6 diesels are piezo type injectors which use high voltage (120 v) to vibrate a crystal rather than solenoid type injectors which use a ground switched 12 v supply. They make up to 10 small injections per injection cycle. I'm, therefore, not sure if you noid light will work with them. (I may be wrong!) In order for the injectors to start injecting you need a fuel rail pressure of over 150 barg (2175 psi) so if you are getting 7000 psi on cranking the fuel injectors should start injecting. The fuel injection system is based on the Bosch system with both a pressure (DRV) and volume control device.
The pressure control valve is built into the fuel pump itself and the pressure is controlled via PWM signal from the ECM. When the DRV solenoid is de-energized, an internal spring holds a valve closed. At fuel pressure of 100 bar (1450 psi) or higher, the force of the spring is overcome, opening the valve and allowing fuel pressure to decay into the fuel return pipe. When the pressure in the fuel rail decays to approximately 100 bar (1450 psi) or less, the spring force overcomes the fuel pressure and closes the valve. When the ECM energises the solenoid, the valve is closed allowing the fuel pressure to build. The pressure can go upto around 1600 bar.
I guess the next test for you is to check the duty cycle of the DRV to see how it matches the requested duty cycle and how the duty cycle of the VCV matches the duty cycle you saw on your Autel. It's a bit difficult without a scope though. If the pressure is building to the point at which the injectors open and is then dropping then it could just be the pump that is toast and not providing enough volume but it's strange it is giving you the pressure. Other issues may be the injector drivers within the ECM are failing or the voltage to the ECM dropping below 9v when cranking which restricts the operation of the fuel injectors.
Those Autel analysis tools are the nuts. I've got one and they are absolutely excellent. Great channel guys, I've been watching since the beginning pretty much. Keep up the great work and congrats on the sub numbers. 👍
Simply the best channel on RUclips by miles. Well done both of you on reaching 250,000 subscribers, this JLR is a pain in the rear at the moment, I hope you can't sort it out.
Honesty! That's what great about this channel! Congrats on 250k throughly deserved 👏
Fuel rail pressure sensor is a critical input, maybe worth looking at that. Well done guys on the 250 thousand subscribers!.
Massive achievement on the 250k subs, it’s been a serious commitment from you guys, and as always been brilliant to be a part of your friendship, thanks lads 🙂🇮🇪
18:30, 3 of the 4 faults were fuel rail pressure sensor related, suggests a problem with the sensor or wiring to it, worth doing a resistance check of the sensor once disconnected to see if it is open circuit or shorting out.
My friend had a disco 4, 2015. it had an electronic boost problem in the turbo and wouldn't even turn over. He had to get it delivered to a LR/JGR garage where they literally took the body off the chassis to replace one single plug. The guys at the dealership even told him to get rid of it. It cost him £4400 just for one single plug that cost £7!
Well done on hitting the 250k subs. Been with you from the start and your videos are now viewing highlite of each week. Thanks lads and keep going strong. Best wishes from Dublin 🇨🇮👍
I wouldn't know where to start with this but confident you'll find the solution. Thanks for another great film
I have just had the same thing happen to me I took the ecu out and it had water ingress had it repaired put it back in turned the key and it started straight up.worth a try
Such an inspiration for everyone either fixing up cars or starting RUclips channels. As always a great watch lads.
Hi Chris and Rob, great content as always. My friend had a freelander with a similar situation. It turned out that the line from the fuel pump had been fitted back on the wing way round, so fuel was not getting to the inlets. I know very unlikely to be your issue, but I thought I'd mention it. Good luck.
Congratulations to Rob and Chris, great channel, keep to videos coming.
Well done on the quarter mil guy's, cracking effort on keeping the content bang upto date and current. Here's to the next 250k.