Vauxhall/Opel Astra H 1.6 P0685 crank no start. Fault finding and repair.
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- Опубликовано: 10 окт 2020
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Thank you
Hi
This car came to me as a non runner, crank no start.
A quick scan, revealed a P0685...
What looked to be a bit more complicated, soon after some investigation, was easy repairable...
Hope you enjoy the video.
Any questions or comments put them below.
Like always, thank you for watching! 
Авто/Мото
Great diagnostic skills, however I’m confused why did the car not start initially when you bypassed the main relay ?
Most likely that broken wire was feeding something else required for the engine to start...
Thank you for watching and for your comment!
@@LMAutoRepairs hello sir, i have one astra g 1.6 16v and his crank but no start and when crank engine ligjt blinding, i slow in down with 2 nd gear for start engine sometimes i out dhe crankshaft sensor cable car starting and put cable when car is start what to check or change sir
Hi....yes..its the same vehicle !
Well, is part of it, but runs independently... otherwise I would have no crank...
Well, funnily enough..my fault code is P1600 replace ECU..but sometimes the vehicle wont crank but then does..I thought there maybe a connection with what you diagnosed on your vehicle..I cant seem to find schematics on the starting circuit!.. Anyway..my issue...many thanks for your returned messages..take care.
Here comes a big thank you from Germany. I had the exact same problem on my Zafira and thanks to your video I was able to get the car running again with just a bit of soldering. Wish you all the best !!!
That's great!
Thanks for the feedback, for watching and commenting!
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I can't thank you enough for this video. My wife's astra had exactly the same issue. I found the wiring corroded and broken along the same loom but further along towards the battery. Thank you so very much. Kind regards Melvin Jarvis
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This video helped me trace a problem iv had going on for about 8 months. Thank you for making the video 👍👍👍
That's great!
Thank you for watching!
Wow my zafira has been off the road for 3 weeks now been looking all over the internet for help come across this video last night followed your steps and i had the same problem as you all fixed now can't believe it was just a small piece of wire.thank you
That's great!
Thank you for watching and for your comment!
Think everyone wishes they had a mate like you. Nice job 👍
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Thanks, for watching and for your comment!
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Thank you sir for your support. I had exactly the same failure codes and the same failure mode. After fixing the brown-yellow cable, the engine is running fine 😅.
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Excellent video, sorting through the same issues on my Astra. No power to the pump at ignition.
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Hope you get it sorted...
Thank you for watching and for your comment!
Hey Louie.
Your ingenuity is just insane 👍👍
You're the best 🙏
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Thanks!
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Another great fix, without requiring any parts👍
Thanks for sharing Bro👍
Stay Safe❤
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Mate, you are a star, I sent my ECU for repair as it had the same fault as this, they sent it back saying my ECU was ok, I started searching youtube and came across you, and you were 100% right a broken wire in the harness 10-minute fix, so wanted to say a massive thank you to you sir
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That's great!
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Out of interest, was it the same broken wire that had originally been soldered on to the side of the wire in the connector?
Nice video mate !
I did not have the same issue but i used your diagram for the Simtec MS 75 ECU system (Opel uses more systems).
Low voltage to engine ECU - Replace ECU code - Brake lights on all the time.
Checked all the powers and had a wire with 2.8 V on it. Corrosion in de taped part next to the connector. Fixed the wire and it runs again.
I post this for a future reader with the fault. The break lights go on by the ecu, i think it runs on can low, did not see anything in the can signal.
Cheers people !
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Thank you for watching and for your comment!
You are a very patient man, well done.
Thanks!
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Another fantastic video and fantastic job :) Hardest part of our job is to find a problem after someone was there before - I'm pretty sure, that wire wasn't fitted by factory but you've found it
Thanks!
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Lovely diagnostic process, keep up the good work and thanks for sharing 👍
No worries...
Thank you for watching and for your comment!
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Brilliant job!! Enjoyed that very much 😁 The car doctor strikes again 😂👍
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Thanks!
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I did notice before you by passed the Main Relay you didn't have a tach signal but once you did you could see about 150rpm when cracking, but didn't initially start. Pain to find the main fault when you have to find 3 or 4 other ones first! Good video once again!
Very true...😊
Thank you for watching and for your comment!
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Got same issue with our 1.6 vauxhall. Finding someone to do this work is not easy..
Sundays starting great with your videos. Regards from 🇸🇮🍻
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Thanks!
Means a lot to me!
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Nice one . Smart to take that fusebox out and of course the basic powers and grounds check .
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Thanks!
For watching and for your comment!
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Brilliant , love it when you see a good fix which could be very hard to find.
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I have the same problem. The same wire.. You have really help me with our video. Thank you.
That's great!
Thank you for watching and for your comment!
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well done man .. good repair, always better when it isn't the ECU
Absolutely! 😓
Thank you for watching and for your comment!
I had this problem with an Astra
But unfortunately was the ECU itself
The wires were intact
Great video as usual, Keep it up the great work 💪
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Thanks, for watching and for your comment!
Mate you are a genius great diagnostics engineer Keep safe 👍👍👍
Thanks!
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Excellent drawing and the fix! Thank you!
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Thank you for watching and for your comment!
Had the exact same issue 4 weeks ago, cost £300+ to have it sorted by a specialist. One thing we also noticed was this fault also caused the brake lights to stay on when in ignition but turn off when we pressed the brakes
Never noticed nothing with the brake lights...
Thank you for watching and for your comment!
Another very good upload L!
Thank you!
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Very nice Luis, thanks for sharing ... btw ... long time ago you had said "i could do a checksum file repair video if my foĺlowers want", hehehe ... i was searching one and couldn't find any. Anyway, i know you are very busy person :) thanks for sharing, and wish you the best :)
Indeed very busy...
I do my best... but is never enough...😓
Thank you for watching and for your comment!
Very nice way of fault finding always u r great
Your follower from Sudan
Thanks!
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You are a school , aren't you , auto technical school ... and a good teacher
I am just a guy playing with some stuff...
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Thank you for watching and for your comment!
Amazing diagnostic and explanation thanks bro 🙌🏿👏🏿
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Thanks!
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Good video. Nice to be able to follow your methods.
Thanks!
For watching and for your comment!
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Excellent diagnostic skills!!!!!!!!!!!!!!
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Thanks!
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Excellent video! Keep them coming 👍🏼
Thanks!
U rock man.
Pls make some video on VAG module replace with Component Protection decoding using Autel.
Thanks!
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That was better than an episode of Columbo 👌🏼 😋 mystery solved 👍🏼
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Doing these kind of videos are so nice :)) Love your content
Hope you're right...🤪
Thank you for watching and for your comment!
@@LMAutoRepairs Can I ask a question? You look like a guy good guy. I have an Opel Astra F, from 1996. I keep it in good condition, and I heard noise from the clutch, and transmission. I went to a mechanic, to change the clutch set, and probably the whole transmission, cause its cheaper that way for me. After the oil change and the transmission swap, I have low oil pressure, it lights up, and I can even hear sometimes the engine is dry.
Wtf? Is this just a coincidence, that the oil pump just went out right after the fix, or did they fuck up something?
Before that, engine was perfect.
Sry for long post.
@@attilakolumban7186
Difficult to say... it could be just a coincidence, but happening right after that work done...🤔
Just visual inspect the engine bay, etc... check the oil level if you haven't yet...
That external wire seems to be solid conductor prone to fracture and break again, its not a stranded wire, seems like someone took a telephone line wire to bypass the original faulty wire.
Brilliant work that was well done. think saved lot lot money there.
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Thanks!
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thank you for the vid ..... what tools u used to clean battery ?
Thanks alot, this video has been very helpful
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I have this code on a Vivaro but the van starts and runs ok. If I delete the code, it comes back on a restart. Have you any ideas on this please
Any dears of these codes from spinner light mean 140514-140562-140509 did brake hold down plus accelerate to the floor ECN ??
Brilliant work - love it!
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Thanks!
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Wish I'd had you sort my Astra H out last year ....
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Finally you had a easy one.
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Very clever, nice work.
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Thanks!
Well diagnosed. A pro for sure.
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Thanks!
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Hi my neighbour has a vauxhall zafira 2014 with the same problem, just can't seem to find any one to fix her car, can u help?
That spindly wire you found external to the loom was much thinner than the manufacturer’s original. Someone fitted that bodge wire to overcome a previous fault, to overcome a poor connection or failure of the original wire. The bodge wire then failed itself ! bringing back the original fault......
Possibly...
Thank you for watching and for your comment!
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thanks, I need help Z17DTH unstart engine i can hear tank pump voice
Good job mate👏
Thanks!
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Excellent video.
Thanks!
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nice find , corsa's has same problem strange random wire running on outside of wiring loom corrodes away
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Hello. I have identical errors. Car doesn't start. Nad You a damaged ECU harness cable???
Great work 👍
Thanks!
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How much would that have cost? or can I ask.
Nice repair video
Thanks!
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I'm getting po460 and 550 with /71 on end won't start saying fuel empty too tried everything now going to start checking all wires. Anyone had the same codes ?
good job thanks for share
but there is something not make sense , you are bypassed all relay but car do not start
is it the ECU disabling its injectors when it not sensed the control wire of main relay not feeding ?
Or that, or that wire was feeding something else...🤷♂️
Thank you for watching and for your comment!
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Sorry to bother you. But is there any chance you can fix my fuel pump relay low voltage problem on my Astra mk4 it's been three years and no mechanic I take it to can fix it. Cheers.
These Vauxhalls really are a mess under the bonnet. Lots of corrosion everywhere. Definitely cars toavoid. Well done in finding the fault. Excellent work.
Yes they are...
Thank you for watching and for your comment!
Not all are like that, I have a 2009 model with 1.7cdti engine, now over 180,000 on clock never had an issue and no corrosion anywhere
@@waynelott8216 Just like "my Dad smoked for 200 years and was as fit as a fiddle". 1 case isn't typical of Vauxhalls, generally all crap.
They are no worse than other makes, our dealership has sold all makes, the most common car for returning with faults are VW / Audi, and yet some folk think they are reliable
@@waynelott8216 VAG cars have vastly more systems and these can go wrong. Even GM couldn't live with Vauxhall and sold it all to PSA.
Thank you for this video.
what are the names of the tools you used for bypass main relay? and which pins do you choose when you need to do a bypass (are they pins 30 and 87?)
Yes... 30 and 87...
Thank you for watching!
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That was a nice one.
Thanks!
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Great systematic testing..I like your technique of testing..would you know by chance if the starter circuit is combined with this circuit?.. I cannot find any reliable info that I can test in full confidence..Many thanks
Hi
Are we talking about the exact same car?
Thank you, for watching and for your comment!
this is excellent thanks
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Very good job!
Thank you!
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Nice diag good video keep it up
Thanks!
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Good job bro thanks 👍🏻👍🏻👍🏻👍🏻
Thanks!
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Excellent work I have a problem with a astra h 1.6 turbo but I carnt find a schematic drawing for the loom and ecu. Where do you get yours from thanks
HGS...
But google will help you finding other sources...😉
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Good repair, thank you
Thanks!
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@@LMAutoRepairs Please sir, can I have your phone number?
Learning alot already, I think my 3 months old baby likes your video alot. She keeps giggling when ever we are watching your videos.
Quick question how did you get your logo on the scanner? Would like to have mine too?
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I have a video on that...
Just search my channel...
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Hiya thanks for your video but my car Vauxhall Corsa 3 doors and 1L if you gone for motorway and after come back to home Take the engine off after them he doesn’t start again so the engine he doesn’t come on so can you answer me please if you can
Scan the car to start with...
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Good job sir.
Thanks!
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Hi bud .wondering . We got a vectra c 55 face lift . Changed the inlet to a referb . With new flaps . Done smoke test nothing . Bit in limp mode got a p0105 . We changed map . The map egr throttle body we not getting a 5 v reading of the map . Bank 1 is giving a plus temp but bank 2 we got -40 we don't know we to go it was ok before the inlet changed to a blank . So we changed to a reference. . We got no wiring diagram . But got a feed to ecu .all cables to ecu been tested got a buzz . Snap on can't find it . We you vox com . .I'm disabled . And the truth is . I haven't got trust in it to go out . . I can try to get my sone to make a video using video com . If you can help id be most grateful . . We not sure why its gone it was OK for 11 miles I reverst and . It went into limp . Its lean fan on but connect it to temp and fan gone off . Can you help . I'm not sure were bank 2 is . .or looks OK on dpf under manifold . I can't find the other sensor . Sorry its a 150 but 1.9dth . Were can we send you the information . I live up in North Wales . I'm desperate 3 years iv been trying . Can you help begging . Thank you .
Where abouts are you based?
I've got a 2009 Astra 1.8 doing exactly the same as this - plus 3 months ago the radiator fan stopped working (it comes on for 5 seconds, then stops and the spanner light comes up on the dash).
Local garage has been trying to replace the ecu but having trouble programming replacements.
My car now won't start - I've temporarily fixed it by bridging power to fuse 15 - and it starts, but I'd love you to look at it.
I am not sure what all that means without checking diagrams and familiarise myself with the system.... but if bridging that fuse allows the car to start, understand where the power to that fuse comes from...
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Another great video Luis can I be a pain and ask where you get your wiring diagrams. Cheers 🍻
Multiple places...
One of them is HGS...
Thank you for watching and for your comment!
Good job sir! Where Can i find your solder wireless wich you have
It is a gas powered one...
I bought it online years ago...
I guess places like ebay or amazon will have them...
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Nice job Leo, but why the car didn't start when you bypass the main relay and start only after fixing the control wire of the same relay I don't get it?
I can only guess that that wire was feeding more than just the relay...
Thank you for watching and for your comment plus, the wires touching... they might were causing other issues...
Thank you for watching and for your comment!
Hi m8 I just came across ur video on RUclips I have a similar problem with my vauxhall astra 1.8 the car was driving and then it just shut down and would not start I've had the key reprogram and not can you help
Hi
Have you had the car scanned, live data checked etc?
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Excellent troubleshooting skills!. Regarding that corroded pins, is it possible to replace them individually ?
Cumprimentos de Portugal :)
Yes it is possible to replace them individually...
But you need some dedicated tools to push the pin out...
Thank you for watching!
Obrigado!
Someone called sandy Anderson has done a video too using a different tool to find the broken wire
Nice job
Thanks!
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How do you charge for this
I have a opel astra 2004 1.4 90 Ps i disconnected the battery wire but after i connect the battery its not starting ,please show me an instruction 🙏
Difficult to say...
Is it cranking?
Any warning lights missing or lit ?
Can you scan the car?
Check all the fuses...
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Welcome brother good masg
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My 2009 diesel 1.7, was going to 4000 rpm when pressing the brake, wont start, was trying to start when driving and smoke from the start engine
Main ecu fail
Excuse me, sorry for the late follow, but what is it you sprayed on the battery terminals before and after connection.
Similar to this...
rover.ebay.com/rover/1/710-53481-19255-0/1?mpre=https%3A%2F%2Fwww.ebay.co.uk%2Fitm%2FCarlube-Battery-Terminal-Protector-400ml-Maintenance-Sprays%2F333506694761%3Fepid%3D15036770141%26hash%3Ditem4da68c4e69%3Ag%3A41gAAOSwKKBePLWZ&campid=5338344466&toolid=20008
Thank you for watching!
Hi. same problem on astra 2008 not starting but engine turning over, also the rear brake lights are always on when ignition is on. I;ve not yet checked the wiring but does it sound like the same problem? Was the broken wire broken within the loom or the multi pin connector?
Hi
You must have skipped parts of the video, I showed exactly where the issue was in this case...
Does not mean your issue it is the same...
Go through the appropriated checks, etc...
Thank you for watching!
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@@LMAutoRepairs Many thanks for the quick response. I've checked for the same broken wire problem and there is no loose wire in the multipin connector housing or any sign of soldering on to a wire. Shame as I was pinning hopes on that easy fix you had discovered.
Have you scanned the car and looked at live data?
That might be helpful...
Hi my Vauxhall’s Astra 2011 mk6 one morning it starts next morning it won’t start any suggestions?
Scan the car, and go from there...
Thank you for watching!
Cheers from Mexico. I have a No Crank case with an Astra H 2007. When I open the ignition switch I hear the fuel pump working. The starter motor is good and there is continuity between the relay and the starter. I followed your diagnosis porcedure to check continuity between the main relay and ECU, and it has continuity. Do you have any idea?
Do you have any codes on the ecu?
Thank you for watching!
@@LMAutoRepairs Hi my friend. I finally managed to get my Opcom Scanner working. When I try to read Engine fault codes I get comunication error with ECU. But if I read code for ECU and CIM module especifically, I get the following:
## ECU
P0115 - Engine Coolant Temperature Signal Range/Performance
(71) - Present
P0460 - Fuel Level Sensor Circuit Range/Performance
(71) - Present
P0500 - Wheel Speed Sensor Circuit Range/Performance
(71) - Present
P0654 - Engine Speed Signal Range/Performance
(71) - Present
P0705 - Automatic Transmission Gear Signal Range/Performance
(71) - Not present
P0550 - Mileage Circuit Range/Performance
(71) - Present
### CIM module
B2961 - Switch Position Ignition Key Circuit Malfunction
(08) - Not present
U2105 - CAN-Bus No Communication with ECM (Engine Control Module)
(00) - Present
U2106 - CAN-Bus No Communication with TCM (Transmission Control Module)
(00) - Not present
U2111 - CAN-Bus No Communication with EPS (Electrical Power Steering)
(00) - Not present
U2120 - CAN-Bus No Communication with AHL (Headlamp Levelling Device)
(00) - Present
Any ideas will be appreciated. Thanks!
Hello, where did you get your wiring schematics from, i have a 2004 1.8lt Holden astra h with no spark and the fuel pump is not turning on with the key
For that year, you can get them on TIS2000
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Hi mate, do you have a link to download the TIS2000 schematics, i can't find them
@jeffchapman1817
No... I don't...
I've got it ages ago... but I am sure it is still out there somewhere...
Just dig a bit deeper...😉
Great video, I have a similar problem to this, but my astra 1.9 3dr starts with easy start.... Just wondering do you do private work? Thanks
Did you every fix this mate I have the same issueb
Thanks for yous movies
Thank you for watching!
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Im having such a weird issue with my 2007 astra 1.6 sxi.
It cranks but wont start 1st try , 2nd try it fires right up.
I had code for camshat sensor so i replaced it and it was great for about a week then started doing it again.
So i swapped out the NEW top camshaft senor with my old 1 and once again , it started 1st time everytime for about a week and then went back to cranking but no start on 1st turn of the key.
It is obvioulsy intermittent but changing out the top camshaft sensor seems to fix it for week or so ????
Im stumped lol....
Have you scanned the car?
Do you have a scope?
That would be the best way to approach that...
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@@LMAutoRepairs
Was scanned and only code was for camshaft senor . I dont have a scope but my mechanic should so will start there next 👍👍
Wouldnt it have been faster to check the main relay control wire by putting test light to power and removing relay and checking at control wire pin to see if computer lights test light proving that it is controlling relay rather than unplug computer and finding wire with continuity check?
There is sometimes different ways of doing things... I guess either way is ok...
Thank you for watching!
I have 2.0 diesel Astra 2011 does not crank no one know what’s wrong with it,
amazing👍👍👍
Thanks!
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What setting do you have your multi meter on
Continuity/ohms reading...
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