7.3 EXHAUST BACK PRESSURE SENSOR
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- Опубликовано: 23 авг 2024
- EBPS LOCATION ISSUES TIPS/TRICKS DIAGNOSIS CLEANING ENTIRE VIDEO FULL USE FULL INFO QUIT EARLY LOOSE OUT
#customworks
#7.3powerstroke
#ebps
#exhaustbackpressure
#po470 #po471 #po472 #po473 #po475 #po476 #po478
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Copyright Disclaimer. Under Section 107 of the Copyright Act 1976, allowance is made for "fair use" for purposes such as criticism, comment, news reporting, teaching, scholarship, and research. Fair use is a use permitted by copyright statute that might otherwise be infringing. Non-profit, educational or personal use tips the balance in favor of fair use.All info presented is for humor no real effort went into actually checking correct or facts .
I’d like to take a minute and thank you for creating such wonderful content on the 7.3 power stroke. Your knowledge and expertise has saved my family a lot of money and heartache. you are the go to guy when it comes to questions about our 7.3’s. thanks again for being such a great asset to the power stroke community we hope this message finds you in great health. Blessings!
What a great explanation of the exhaust back presure system. I bought a speedo cable at the auto parts store and ran it through the tube with a drill . After a friend had problems with his.
Being a retired fleet mechanic that had no experience with the 7.3 I try to watch a lot of videos relating to the 7.3 .
You are my go to guy for the best explantions of possible problems.
My 01 7.3 has had a few power modifications just enough to make pulling our 5th wheel camper easier.
I was fortunate enough to find a rust free like new truck 10 years ago. And it still is.
It will probably out last me. When I walk through the RV parks and see all the big fancy trucks ( that I like ) i wonder what they will be like when they are 22 years old. And how many problems they will have with just the regen exhaust systems. Let alone every thing else on them high tech engines.
I wonder if we will be able to viy diesel 22 years from now
After circling around this problem, checking voltages and cleaning computer plugs it all boiled down to one problem.
I did not buy a Ford Motor Co. sensor. They wanted $160 for the EBP sensor and couldn't bring myself to pay that much so I went with a $40.00 version from a outside source.
I finally bought one from Riff Raff Diesel which was a FoMoCo part for $90 with shipping and that solved all my error codes.
Thanks for your input and let this be a lesson to all the others following your web casts.
the EBPS is now $248 from dealership
@@adelinawarriner6259go to international.. get one for a t444 .. cheeper and on par or better than ford quality
It's a good idea to check the wiring to the cam position sensor too. My tube had rusted through and the exhaust had melted the plastic wire loom and the wire insulation. It hadn't shorted out yet but was close. I pulled it up to the top of the engine so I could resplice the wires and replace the loom.
Thanks for a great video. I have a early '99 F250 4wd Crewcab SB. I have owned it for 17 years, and have never modified anything on it. I never really needed to. I did notice my milage dropped from about 17mpg to about 12mpg. I also have a hard time starting it below 30 deg, but I thought I maybe had a few glow plugs out. I just thought I needed to drive it more often. Long story short, I was looking into why it was stalling, dying or accelorating funny and I scanned it and got 2 codes - P0221 channel B and P0479. So thanks for explaining the P0479 code really well. Both are easy fixes, so thanks again
ALWAYS GREAT INFO, WERE WOULD WE BE WITHOUT YOU. BESIDES BROKE DOWN THANKS AGAIN.
lower shift cable from a mercruiser alpha drive works REALY GOOD a bit heavier than a bike cable, local marine mech will have lots of em laying around. also they make good wire snakes. I'm a mercruiser mech but not diesel, that why I follow you Clint thanks for all your knowledge.
Learned all this along long time ago ,love my 7.3. I Really has to be one of the cheapest engines to service !
Went to the link for (wiring, sensor, and tube 1994-1997 7.3) and found out the hard way when part arrived a week later, that the link is not for engines made after 5/12/1997 , mine was built in June and has a different route tube follows so having to ship back. Nice video, just might want to add that detail for future viewers. Thanks for the tips, helped a lot.
Good evening Clint "MF" Allen, thank you for sharing your time and vast knowledge in ford stuff, and conveying it in a digestible manner to a mechanic by default if at all. Thanks again best to you and yours in '23
These are very informative videos you have here. I'm glad I found ya. Thanks to you, I was able to solve some issues I had. Thank you.
Great information, I have had this problem, bought a new tube but not the sensor. The truck makes a weird sound until it comes up to operating temperature.
Great info. Didn't know mine was bad until it failed a smog check (CA). I was very aware my fuel mileage was down but didn't know why. The tube was completely clogged and I poked a hole in it when I tried to clean it.
I learn something here everytime i watch !!
As always, great information. Thanks again.
I love watching these videos. I'd kill to do a makeover with Clint Allan. The lessons would be priceless
As always great info, back round video always a blast. Keep up the great info.!
While diagnosing an engine overheating issue I got a P0472 code. This video helped me (although obviously not with the overheating issue which is still a mystery).
Radiator cap?
@@johnayers8990 There were leaks found with a pressure test. Overheating problem fixed
LOVE YOUR VIDEOS CLINT. I LOOK FORWARD TO ONE EACH DAY MAN..
Thank you for sharing your information much appreciated!
Hi Clint
Thanks for this video again , you are awesome and very helpful as always
thanks foe info about 7.3. started running bad changed fuel pedal sender unit that cured my problem also going to get all the old fuel/water out of my tank it's been gaining in there for 20 years
Great tip with the bike cable!!
I change my icp sen., and pig tail today, and cranked it up, the service engine light cleared then when I drove it for a while turned the key off, turned it back on, and the light appeared agian, and sluggish agian, what is ur outlook on my problem, I love ur channel by the way, u tell it like it is, I like that!
How do you get the exhaust back pressure tube in and out nobody tells you how to take the tube in and out. Do you have to take the engine out? You’d think people would mention that.
I wanted to ask, when you put probe in three prong harness what pin do you probe for voltage readings?
Learned about the exhaust back pressure sensor and pipe gotta get a bicycle cable can’t get a speedometer cable anymore.
Thanks
I have a 95 7.3 that i put 1-2k miles a week hauling 3 car carrier with it. I learned that aftermarket parts dont last longer than 6 months. I go to International dealer now and get parts i tell them for my T444E in my ford. Those parts last and are better quality
I have an 01 F350 .
Drove it about 7 miles from home and it ran like a bat ot of hell going to store. Bought $30 worth of fuel, started it back up and headed back home and it started running bad almost didn't make it back home. Stopped a couple of times trying to figure out what was up with it and because it blowed fire about three feet out the exhaust .
Finally got home with it and it hasn't run since...
I've never seen anything like that out of a Diesel...
Thanks!
I'm here because Powerstroke Help dude croaked
Harsh af 😢
@@erikambis8313 truth
When will you talk about the IPR
And can u clean them
thanks you really do great videos
will be doing soon and yes ill show how to disassemble and clean
What’s your opinion on additives to the crank case like Archoil? A lot of different views on this..
Sorry was looking for a more direct was to message you lol
Schaeffer Oil 15/40 1 moly ep and Motorkote all trucks in my fleet run this combination and 2 now have over 1 million miles with no overhaul
I have a situation with my 7.3 it keeps stalling when i slow down at red light and sometimes when i put it in drive or reverse but it always starts right up. Replaced ipr icp and cps 2 times and also replaced all the pigtails torque converter and trans cooler and it keep doing it any ideas?
You find out what was the problem? My truck is doing the same
I’m having an issue with my 7.3 and no luck finding the problem. If you willing to talk I would like to talk directly to you. Thanks.
Thanks for good information 👍 👌
Your awesome clint
Thank you sir.
Love your videos
Clint..I’ve been trying to test my baro and my AE scanner shows the MAP and Exhaust back pressure with KOEO very close but the baro sensor shows 148psi maxed out. Voltage seems to look right fluctuating with atmospheric changes and reading in the 4.3-4.45 volt range. With the maxed out psi reading could the PCM be getting bad data from this sensor?
Will it call the truck to lose all power usually don't happen until it's about running 65 70 miles an hour down the highway and when I let off the pedal and then spits and sputters like it don't have fuel and I just change the sending unit every line from the tank all the way to the motor the fuel pumps new I have a reman hpop on it IPR valve is new but it is not a Motorcraft IPC sensor is a year old but it's not Motorcraft theater I've been struggling to get this truck to run right for two years now the 1996 7.3 powerstroke zf5 five speed
Muy bueno
muchas gracias
I have a 2000 f350 7.3 an ob2 reader won’t read but I have a code an truck run rough when the OBD2 reader gets on 26% my truck shuts off would u have a idea? Maybe
Another great video Clint, I just have a question I have a early 99 and when it’s cold mines not hard to start or anything it’s still fires right up at the turn of a key but I get that wooshing sound coming from the left and right side wheel wells from my engine just like you’re describing in your video and when I accelerate it stops but then when I let off the gas you can hear the wooshing inside the cab as well when you’re driving but it only does this when it’s cold. I was told by my mechanic that I normally take my truck to when it’s a job that is more than I want to tackle on my own and he said it was that exhaust valve thing on the pedestal and he said that’s normal to hear that wooshing when it’s below 40°F? He said that’s something a lot of people delete later on when replacing the O-rings in the pedestal or some thing and that it’s supposed to help warm up the engine faster in the cold and he told me it’s not the tube or the sensor but I’m only getting on average about 13 miles per gallon with my truck and that’s mostly city and some highway driving but no long highway driving so mostly city and I thought that was normal for these trucks. Is my mechanic wrong and that wooshing sound that I here outside the truck and inside is actually a possible problem with my sensor and tube? I don’t hear it when it is warmer out like my mechanic said so I just dismissed it and figured he was right and it was that valve on the pedestal that allows exhaust in to warm up the engine.
Hey is it more like a sheeshing sound? Mine does this too only when cold. I plan on cleaning first.
@@nickolasgiampietro3164 it is this sound that this video shows ruclips.net/video/dSdzB8Q2Z0w/видео.html
Hey bud! Do you know if the motorcraft DPFE-3 sensor will work in 95 obs?
I have a 02 zf6, I deleted the ebpv and I capped the ebps off, will that put the truck in defueling? Or should I put it back on?
What’d you wind up doing?
Did this fix and got 4 mpg back, my tube blew a hole in it, I'd say get the stainless tube it will last forever and can be cleaned!
Which year do you have?
@@markbroad119 I have a 2000 7.3 crewcab swb
I changed the candles and the glow plow relay still had no signal and I changed the PCM relay and the rod turned on but the next day it didn't turn on I changed the high oil pressure sensor
My truck is a 97 and its where you say the 98 and up are located🤔
Hello I figured I would check in with you, I have been experiencing the exhaust back pressure valve hissing sound. I just replaced my sensor and tube with motorcraft and am still experiencing the issue. It will happen after a cold start and will continue once operating temperatures are reached. However, if I shut the vehicle off and turn it right back on the hissing goes away completely. I will be checking the voltages at the plug, but at this rate my issue must be a computer, wiring, pedestal, or excessive gunk at the butterfly valve.
If I'm understanding you it would come off to me the pedestal is worn or the butterfly valve is rusted or gunk'd up Both need to be investigated by removing the arm to see if its traveling correctly and when cold turn the butterfly to feel if its free to travel
You're awesome! Thank you for taking the time to reply. When I get around to inspecting there I'll be sure to let you know what the cause is.
So what was it?
What about those of us who do have scan tools? What values should we see at idle/part throttle? Mine is usually around 16+/- psi at idle. Then around 20 at around 1800 rpms. I'm getting 13mpg currently on a stock tune
It’s a few minute Job to do. Mine took out my transmission. Had I know that years ago I wouldn’t have let it go. That was costly. All because of carbon 😑
Very good video! Lots of helpful information. What should ebp sensor readings be in psi under various conditions via live data stream? Trying to figure this dang smoking issue out still with my truck that you've been helping me with. Ebp sensor and tube are new but I'm not sure if the data they are sending is faulty data or not? .6 psi at idle and also with key on engine off. 1.2 psi at 2500 rpm no load.. Live data for my baro sensor shows 0psi and as a voltage it reads 4.6v according to my autel scan tool. Is that normal? I thought it should be somewhere around 14.7 as well as map and ebp with koeo. Map reads 12.7 koeo. Tried another map sensor and I get 12.67. Something is not adding up here or am I interpreting the data wrong?
We will be showing these values in the future when we go through the diagnostic with the scan systems we have settled on
@@CUSTOMWORKS7.3PSD 👍thanks.
Keep up the great content. One of the most helpful channels to 7.3 owners by far! It appears it is my ebp sensor causing most of my issues. Just ordered another. 5v reference, ground, and signal return wire all test good. When I unplug the sensor 75% of the smoke clears. 12 psi map reading looks like it's from my TS chip. When I set it to stock setting, it goes to 14.6 psi koeo. I guess just cause the ebp sensor is new doesn't mean it's good.
I have a 1997 7.3 where the sensor is in front of the Hpop, must be a late 1997. I have watched this video like 3 times and hear you say don't delete this sensor, but I read posts from people that also seen knowledgeable in this saying it does nothing more than control the pressure valve. Is there any further reading I can do to understand better? Any reading you can point me towards to understand my split year better?
Late model 97 need this so the ecm can better control fuel mileage This is why I started this channel because there was to many idiots spewing untrue information You can buy a subscription to all data for a month or this kind of service www.identifix.com/ These online services give you very very detailed information including what you screw up when removing system sensors That the ECM relies on for proper running The pressure valve on the pedestal and the pre heater in the intake manifold are the only plugs that can be removed as long as a resistor is placed
Will I gain anything on my 94.5 if I delete this
Wisconsin?
I deleted my back pressure valve, added the new turbo pedestal without the valve. Now I do not have a place to plug in the back pressure wires connector to the new pedestal. What should I do with that wire connector?
www.riffraffdiesel.com/ebp-pedestal-actuator-isolator-pigtail-99-03/?gad_source=1&gclid=EAIaIQobChMI2b_qr5zUgwMVPDWtBh3-_QspEAQYASABEgK5dvD_BwE
My EBPS on my tuner reads 0 at idle and around 3psi at cruising speeds. Does anyone know what would cause a low reading ? I know my up-pipes are leaking could that cause the EBPS to read low ?
If I have done the EBPV delete. Should still clean the pipe and replace the sensor?
Yes
IF I changed the sensor, it gives oil pressure and the sensor sw gives engine temperature and I still have the problem and I changed rp
When I went to buy my early 99 f350 the guy had nearly every sensor unplugged.....I said this truck isnt running right. I opened the hood , plugged all the sensors back in. Took another test drive and she ran great! I think I showed him he was an idiot. Truck was 1 owner with 189.000 miles, his boss who was the original that owner gave it to him to sell, luckily because he would have killed the beast being internet smart with the sensors.
Just starting this video, I've always believed just unplug it. Let's see what's up.
I have a lot of problem with my truck 7.3 2002 when it's cold it doesn't want to turn on and when it's hot it turns on well I changed the candles and shequie the harness and everything is fine at first no
I'd just keep the block heater plugged in under 40⁰. Could be glow plug, wiring to the glow plugs, or a glow plug relay. There are videos of how to check the glow plugs from the valve cover wiring harness.
Which wire are you back probing to check that voltage???
the return as shown on the plug diagram in the video , hooking the ground to the battery and probing each one won't hurt anything and you can verify the 5 volt constant as well this way you will know if you are having a short to ground as well
2002 7.3L Auto trans FORScan user
Coolant temp is 248f
Ebp says 18.8 psi KOEO
I Have a no start
Checked Excelerator pedal idle state this changes off to on
Fuel pressure says 60psi on a pressure gauge
Made some test gauges to hook up to the oil high side gets up to 3000psi
The only code I get is a u1262
Got a little white smoke out of the tail pipe when cranking, oh injector buzz test passes! Just doesn’t want to start
Did tests using FORScan and gives me a code c1284 meaning replace oil pressure switch.
I have a 97 powerstroke and I thought my sensor was useless because I deleted my back pressure valve. Can you confirm that if my sensor is having an issue that my gas mileage wouldn't be affected?
The pedestal which opens and closes the back valve and the sensor are 2 different animals the engine computer needs the ebps to calculate best fuel mileage
@@CUSTOMWORKS7.3PSD well, I get 10-11 mpg, terrible. Truck runs well other than that. So I will look into this sensor, thanks for the reply and I will be looking forward to you upcoming videos.
Sir, do you think 10-11 mpg for a 97 CCLB is common? Or do you think I should go out the hundred dollars for an exhaust back pressure sensor? I've done quite a few upgrades including a Hydra chip. But even in stock setting I'm still only getting 10 to 11 mpg.
I have cleaned out the tube. And the truck runs great other than my MPG
How do you read the codes from a pre OBD II 7.3 (94.5 - 95)?
will be covering this soon
You get the pcm reflashed for obd2 from what I have read
I've had luck with forescan on my 95
@@CUSTOMWORKS7.3PSD Do you run a repair service or diagnostic in the USA?
@@The_Ballo The shop you see in the video's are my home shop My main shop handles full custom rebuilds, full off frame builds, engine, trans ect overhauls and consulting and fixes for auto manufactures, Occasionally our customers referral powerstoke owners to us and we help them out and repair there trucks I started this channel because of the silliness I kept see ing on RUclips not to bring in business My goal for all views when I get done is to have videos where everyone can do there own repairs and get educated on whats under the hood Like all the sensor video's No one has even brought up all these sensors
Does a bad wire harness pigtail makes it run rough too?
Yes test signal from harness connection to plug use a 12v bulb and do a jiggle test if the light flickers bingo and the plug its self can be no making correct connection
@@CUSTOMWORKS7.3PSD I really appreciate the fast response. You're the best.👍👍👍
If I remove the tube off the truck can I use brake clean and let it dry
Yes that would be good, blow compressed air down through just to be safe
is there a difference between a E4OD gas or diesel ??
Gear ratios in all E4ODs, both gas and diesel, are identical.
The biggest difference is the bolt pattern to the engine. There were three E4OD cases. One for small block engines (300-302-351,) one for big block (460,) and one for diesel (7.3L.) They are not interchangeable an no E4OD had a removeable bellhousing.
Hey Clint, on the 98-03 could a guy unplug the sensor by the turbo AND use the Riffraff isolator pigtail?
If the voltages are not to spec that means the sensor is bad, correct? i do have the 5 volt reference and I'll check today for the other voltages.
I am using Forscan and it is giving the code for a failed sensor yet I have no check engine light on. I don't know if you have any experience with Forscan and I am wondering about it's reliability
with my 1999 7.3.
if voltage on out put is off best get new sensor and yes Forscan is a great app any diagnostic tool will show failed sensor if plugged tight or heat burned either way a new sensor is in order and its normal for no CEL check engine light on many sensors on the 7.3
I put a new sensor in (not a OEM).
Pin 1 .015 volts
Pin 2 5 volts
Pin 3 4.85 volts
Resistance between pin 1 and ground is 8 ohms.
@@flmeade what is it key on engine off cold on pin 1 and pin 3 ?????
@@CUSTOMWORKS7.3PSD KOER warm engine at idle.
That resistance ready was KOEO
Does this sensor cause my 7.3 to blow out white smoke?
ruclips.net/video/yoE-fY6xGq8/видео.html
I have transmission code in transfer Case i pcm low sircuto
Will this cause a P1211 injector pressure high/low 02 ford ex 300mi
clogged fuel tank filers, leaking lines, uplift pump failing, Weak Or Failed High-Pressure Oil Pump (HPOP)
Malfunctioning Injection Pressure Regulator (IPR) Valve
Low Fuel Pressure But It’s A Rare Case
Malfunctioning Powertrain Control Module (PCM)
Low Reservoir Oil Level
Old or synthetic oil
Best is to hook up a diagnostic and monitor under load
@@CUSTOMWORKS7.3PSD Thanks! Been doing my own diesel repairs for only a couple years and man it sure is fun. Get headaches from beating my head on the wall sometimes but all part of the experience haha. Sure appreciate any input I can get. Last I had the fuel pressure gauge on pre-filter port was 60 idle dropped to 40 wot and blowing black smoke/haze. That was on a stock setup. Now have a few performance mods (4” turbo back, Donaldson intake and TS 6 pos chip), but code keeps coming back… I don’t understand low fuel pressure yet black smoke? Unless pcm over compensating for lack of fuel and black smoke from poorly atomized fuel. Checked and didn’t find any boost leaks.
@@josephthompson638 Consider that the chip is causing all the issues I didn't see that before, when ever we do in depth trouble shooting we completely remove those chips and in the highest cases all the problems go away
@@CUSTOMWORKS7.3PSD Thats what I was thinking to but the chip was just installed and this has been an ongoing issue.
Mine was rusted in half when I bought my truck..
Will the vans have this also? 2000
YES, and it can be located on back of hpop reserve tank pass side or in front of tank as a cover to the hpop drive bolt
2000 and had some issues with a tune. Went back to base tune and it’s ok but that’s a part I didn’t check
What is the difference between the high altitude 7.3 and regular 7.3? Can't seem to find any info on it but seen it's a thing.
This is only a issue with 99-2003 when the baro sensor was placed in the computer a HA7.3 has a tune added most tuner companies have a tune to add to the computer that lowers fueling at the bottom rpms and lengthens the shifts on automatics to a higher rpm before solenoid thrust closing to stop mainly the smoking from a lack of air
@@CUSTOMWORKS7.3PSD oh wow I never knew that. I wonder if it's something I should have on my 99 450 as I live at 8k in Colorado mountains.
@@kennethmabus381 Only if you are having smoking and low power
@@CUSTOMWORKS7.3PSD ok. So both smoke and low power. I don't get those symptoms with my 99 450. Only notice it likes to shift up gears and I use my torque lock up button. Or out of overdrive.
Would an open sensor on a L99 7.3 cause limp mode symptoms (1999 e cab long bed dually ZF6 manual) I can get it to speed slowly
I just rebuilt the injectors installed new HPOP and Motorcraft IPR truck idles decent seems to rev better but when trying to take off it is sluggish and feel like it has no boost. Truck also seems to have developed a distinctive tick noise valve-train sounding
I have conducted a voltage test will idling I am receiving my 5v input voltage but no signal coming from sensor to PCM.
Removed sensor tested continuity across the signal and reference voltage I have no continuity.
I am condemning the sensor as the current fault but am fearful it won’t solve the issue
A sensor with a short could do that even with a good idle Its rare but possible We in the shop have been having issues in the last month with defunk sensors at a alarming rate . Just had to pull a new IPR take it apart and install the missing pin Jeez
valve train tick can be the IPR under or over fueling or a injector is failing to close the fuel path
I replaced the sensor I’m getting feedback and code is gone tick went away trucks sounds overall better test driving tomorrow rather be stranded in the daylight if a problem occurs your channel is one of the best 7.3 channels I’d say diesel tech Ron is my other favorite but he’s more hands on you explain stuff so we’ll
Back here again, anyone know how to fix my P0472 code? I’ve replaced it with an OEM from ford dealer and still have the code come up
Also replaced the tube new OEM
thats a wire communication problem
@@CUSTOMWORKS7.3PSD you recommend I trace back the wires to find any breaks? My cts3 screen picks up the code and reads 29 at all times, never changes.
1998 did not have a 7.3 99 was the next year
My 02 7.3 while on the highway gets a loss off power. Like it Boggs down around 60-70mph, rpm’s drop and I let off the pedal for a few seconds then you can hear it pick back up when I push it back down. What could be the issue?
When it has the power loss I can keep pushing the pedal down and nothing. Speed just keeps decreasing and blows some black smoke. Rpm’s go down, ones I wait a few seconds and press the pedal back down you can hear it pick back up like nothing.
Not sure what the issue is…
Fuel pedal control unit. Comes as one whole assembly with the pedal.
@@joeydavis3001 is that %100 sure? It does that randomly and not like 10 times a day maybe 4. Usually around 65-70mph but it’s done it around 40mph also.
You can test it by using the cruise control when it starts acting up. If you can accelerate with the cruise accel button and the problem doesn't happen, you've most likely got a fuel pedal issue. Clint has a video on accelerator pedal and related issues. I have an '02 7.3 also. Been through a lot with her but at 280k miles and used as a work truck it's really held the abuse.
@@joeydavis3001 ok, I have to look into it when I get the chance.👍
@@joeydavis3001 You happen to know the part number? I also have an 02 F350 7.3
To ccv mod or not to ccv is the question.
coming soon