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Prev Professional Automotive Repair Technical Discussions for March 7, 2014
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Open Help Requests for All Makes and Models
Help Request Answers
1987 BMW 535i 3.5L OBC Display VIN: WBADC740XH
OBC computer is displaying "PPP" on screen when prompted to display AVG MPG , AVG MPH , RANGE or Ambient temperature. We put new light bar in and saw that date and time were fine. Does anyone remember how to reset one of these?
2004 BMW X5 3.0i 3.0L engine VIN: 5UXFA13584
Should have never let this one in the shop. Car came in with a broken valve spring on #2 cylinder. Pulled head, had a reputable machine shop clean the head up and milled .010" off. Used the properly sized gasket kit from BMW and reassembled per procedure. Ca...
2004 BMW X5 4.4i 4.4L radio/cluster VIN: 5UXFB53524
hi every one just thanking you for the help in advance. i got a weird problem going on with a x5. what happens is intermittently the radio become completely inoperative and then the turn signal indicators on the instrument cluster become inoperative when the r...
2006 BMW 325i 3.0L Engine VIN: WBAVB13526
Hello BMW Techs: I have this 07 325i, which came in on the hook, died on the road according to owner while driving. On cranking, it sounds like there was no compression, freewheeling. I checked compression and have two dead cylinders as you see. No noises whil...
1998 Chevrolet K3500 Cheyenne 7.4L Brake pull VIN: 1GCHK33J3W
This truck comes in for a severe pull to the right when braking. Road tested and verified the concern, found a 50 degree temp difference from RF to LF (left being cooler. Not giving a tremendous amount of thought into this, we put good Delco calipers, pads, AN...
2000 Chevrolet Tahoe LT 5.3L Scanner won't read VIN: 1GNEK13T9Y
This truck was brought in for an emissions test. The analyzer will not read the data stream. It uses the generic obdii data. I can hook up our modis ultra and it reads just fine. The cel is off and there are no codes. My pocket scanner will not work also as it...
2002 Chevrolet Silverado 2500 HD 6.6L Poor Fuel Economy, MIL Lamp on VIN: 1GCHC23172
trying to find cause of a MIL on.Code p1093 stting which is set during power enrichment. I have a genysis scan tool and recorded various data. Direct hit tells me to check vacumn at shredder valve and thus I did, there is 6 inches of vacumn inpark wot. 10 inch... Trouble codes: P1093
2002 Chevrolet Astro LS 4.3L Door Locks VIN: 1GNEL19X62
I got this truck with door locks issue, the locks works fine, the problem is while you driving between 30-40mph the locks start clicking & locks & unlock on its own,if you let go off the gas pedal it goes away, above 45mph it wont do it. scan it with tech2 all...
2005 Chevrolet Silverado 1500 4.3L Stall VIN: 1GCEC19X35
I have tested all sensors for 5 vt and signal issues. I found a broken wire and the wrong pig tail for the ECT and replaced them. I have done the wiggle test. reflashed the pcm and theft. at this time I checked volt drops at the pcm on power and grounds. back ...
2008 Chrysler Town & Country Limited 4.0L Starting VIN: 2A8HR64X78
Hello all, especially Chrysler techs. 2008 Town and country has had a intermittent no crank condition for the past 14 months. Note past repair history. It used to go for months at a time with no symptoms, now it happens almost everyday. I have performed voltag...
2003 Dodge Grand Caravan Sport 3.3L Fuel Gauge VIN: 2D4GP44353
With tanks, 1st it was pulling a vaccum on tank after run for awhile, thinking roll over valve was causing it, but no still same problem with no noise coming from tank when capp removed (idenifix tech pointed us in that direction) and 2nd tank came from van wi...
2004 Dodge Durango SLT 5.7L Starter VIN: 1D4HB48D04
Ck starter relay found 12volts all the time 12volts in start but no voltage going to starter the PCM is not grounding relay where does PCM get it signal form please help
2006 Dodge Stratus SXT 2.4L Surge, Cuts out VIN: 1B3EL46X96
Car surges like rev limiter at around 2000 rpm. Have seen many post about this but have a question. I scoped the cam and crank signals to check sync and if signals are present. Here is what has me baffled. Both cam and crank signals are identical, both showing... Trouble codes: P0344
1988 Ford F-250 Custom 7.5L Excessive Emissions, No Start, Poor Idle Quality, Stall, Misfire VIN: 1FTHX25G5J
I'm pretty sure this has a bad PCM, but were looking for support on our diagnosis, knowing that early Ford drive diag. ain't our thing! This was a tow-in, no-start. I was able to start it and it was running extremely rich, so rich that the engine could not ac...
2000 Ford E-150 Econoline 4.6L Engine maybe also transmission VIN: 1FTRE14W0Y
So ive had this van it belongs to the shop so its been on the back shelf to say, well here is the issue, when i first started with it, it had a hard to start when cold, when it finally started it had a low idle, around 700 rpm's or lower, after replacing the A...
2006 Ford F53 6.8L MIL Lamp on VIN: 1F6MF53YX6
Problem is intermittent but fairly consistent, runs great but will turn on the MIL with code P0152 Bank 2/1 HEGO ckt high. never any other codes and watching data stream on both banks for HEGO and LTFT looks great. normal swiching on o2's and LTFT around +2-3... Trouble codes: P0152 (Bank 2 sensor 1 HEGO ckt high)
2006 Ford E-250 5.4L Misfire, MIL Lamp on VIN: 1FTNE24LX6
Vehicle came in with misfire and CEL on with P0204, found wiring harness rubbed through and melted on the EGR tube where it bends toward the PCM. So we replaced the harness with a new one from Ford. Still getting a recurring P0204 but it has to be driven aroun... Trouble codes: P0204 (Injector circuit open cylinder 4)
2008 Ford Fusion S 2.3L air bags VIN: 3FAHP06Z98
I was called out to program rcm .Used ids to program.used old rcm to transfer info to new rcm.Code c1414-e0 will not clear.Replaced with second new rcm from Ford verified correct part.Programmed as built 2nd time.Same problem.Tested with ids in data logger rcm...
2009 Ford E-350 Super Duty 6.0L No Start, Misfire VIN: 1FDSS34P99
before deciding what to recommend and quote I need some advice... I've done my share of 6.0L work in pickups and F550/650 trucks but never in a van/ambulance. My tech was out this morning on a "cranks ok but wont fire" complaint, 2009 E350 Ambulance. Oil le... Trouble codes: P0261 (Cyl 1 injector ckt or low contribution), P0269 (Cyl 3 injector ckt or low contribution), P0623 (Generator Control ckt fault)
2006 GMC Envoy XL SLT 4.2L Unknown VIN: 1GKES16S16
Hi guys need some help i have this gmc envoy 2006 with a code c0455 steering wheel position malfunction first i flash the ebcm with the latest soft wear same code replace the steering angle sensor same code i check the wiring i have power ground 5 volts is the...
2007 GMC Sierra 2500 HD Classic SLT 6.6L communications VIN: 1GTHK23D27
hey all, have a 2007 sierra 2500hd dmax classic body style, customer complaint of service 4x4, service brake system, speedometer intermittently quits, abs and red brake warning lamps lit, and will stick in 4x4 low range with the front axle not being engaged. i...
1999 Honda CR-V LX 2.0L oil leak VIN: JHLRD1849X
I think I may already know the answer to this one but I'm hoping I am missing something. This CR-V has a persistant oil leak coming from the front of the engine. The customer had another place replace the oil pan as at quick glance the oil runs along the side ...
2003 Jeep Grand Cherokee Laredo 4.0L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1J4GW48S63
This Jeep came in with a bad miss. My customer has already replaced the spark plugs-coil rail-crank sensor & ran sea foam through the intake.I thought it might have bad injectors so I replaced #1 & #6 injectors. I checked compression & it is ok.I used my testo... Trouble codes: P0301 (1 misfire), P0306 (6 Misfire)
2006 Kia Sportage EX 2.7L MIL Lamp on VIN: KNDJE72386
Vehicle came to me with a check eng. mil.Scanned found p0171/0174 b1/b2 system too lean dtc's.Helping a friend out so I figured I would find a quick easy fix.only had the vehicle for a short time,sprayed w/ carb clean no idle change or stft change,smoked intak... Trouble codes: P0171, P0174
2004 Land Rover Range Rover HSE 4.4L Transportation Mode VIN: SALMF11404
Thus vehicle came to us with inoperative wipers and various othe electrical faulures. I seemed to remember something about a "transportation mode" on these vehicles. It does give info to my Autel MaxiSys that the vehicle is in transportation mode. The scanner ...
2007 Mercedes-Benz GL450 4.6L No Start VIN: 4JGBF71E17
will not start at times after it has set for a while
2000 Nissan Frontier SE 3.3L Poor Idle Quality, Hesitation, Surge VIN: 1N6ED26Y6Y
Hi everyone long time helper first time asker of help. OK so what i have is a 00 Nissan frontier 4x4 with MANUAL trans, and when the truck is put in gear no matter what gear it is any of them the idle jumps to [...] and stays there until you pull it back ou...
2003 Pontiac Grand Prix GT 3.8L MIL Lamp on VIN: 1G2WP52K23
replaced gasket's for visible leak replaced intake because of crack and coolant leak now have high fuel trim's s/t pos.19-20, l/t at 26 when removed upper plenum found pcv hose looked odd memory has failed me should curled end be up in pcv area or should strai... Trouble codes: P0171, P0174
2003 Saab 9-3 Linear 2.0L No Start, MIL Lamp on VIN: YS3FB49S73
Hello Friends, This car came to me and the customer said that the engine starts and quits. I have scanned the engine with my Modis and came up with the codes above. I called the customer who is out of town and he would really like me to repair it. I have done... Trouble codes: P0445, P0638
2005 Saturn Vue 2.2L Communication
Hello all. Have this Vue with the 4speed 4t45e transmission not VTi. Have loss of communication with tcm/bcm. Circuit 2500 tan white stripe wire showing 14.9 volts. Circuit 2501 tan wire showing 0.1 volts. GMSPO states voltage should be less then 3.5 volts on ...
2006 Volkswagen Touareg 3.2L Exhaust Flex Pipe VIN: WVGZG77L36
The exhaust flex pipe is leaking and need to replace the converter assembly and it says it is a 10 hour job.what is the best way for changing the converter?? it looks like i can remove it from the manifold and rear pipe and lift it out the top or bottom after ...
2002 Volvo S80 T6 2.9L No Start VIN: YV1TS91D92
I have this Volvo S80. Initially had dead battery from cranking. Vehicle has good fuel pressure and cranks but will not start. No spark or fuel injection pulse present. KOEO has no check engine light. Customer claims vehicle died while driving and ABS light ca...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2002 Acura TL 3.2L Poor Idle Quality, Surge, MIL Lamp on VIN: 19UUA56772
HI every body and thank you for the time that you guys used to help me. Unfortunately this vehicle is not fix, talked with the customer, and he mentioned that somebody replaced the engine before, installed a Honda 3.0 engine, after that somebody else tried to... Trouble codes: P1259, P0336 (Ckp sensor 1 range/performance.).
2004 Audi S4 Avant 4.2L starter VIN: WAUPL68E44
Firts of all I would like to say thank you to all that replied. At some point in this cars life it had a remote starter installed and then removed. What we found was the sarter wire had ben probed at some point in its lift and was allmost completly corroded th...
2010 Audi A4 Quattro 2.0L Mechanical VIN: WAUDFAFL6A
2010 BMW 328i xDrive 3.0L Running Temp VIN: WBAUU3C52A
This one is fixed and customer happy. Replaced the radiator, now have excellent heat output and the engine temp cycles around 95o C on the road at 5o F ambient the day we drove it. Yes Erick our car didn't exactly fit the bulletin but I think this car had a li...
2001 Dodge Ram 3500 5.9L Clatter & slight sag VIN: 3B6MC36751
Thanks for the info. I think there were two concerns. O-rings on fuel lines were letting fuel aerate slightly, but main issue was a Van Aaken programmer. Removed it, had owner drive truck, & we are both happy. Thanks again for the replies.
1988 Ford E-350 Econoline Custom 7.5L Excessive Emissions, Poor Idle Quality, Cuts out VIN: 1FDKE30GXJ
So before I came to work here all injectors were replaced ...with the wrong ones. Fred from Georgia hit it exactly right the injectors they installed (6 months ago) were white not blue. Thank you to everyone for the quick responses and all the help. We don't i...
1995 Ford Taurus SHO 3.2L Poor Idle Quality, Surge, Stall, lack of power VIN: 1FALP54P2S
This SHO is running hard again! As is the case most of the time in our business, the problem was most likely caused by a careless tech. We decided to remove enough stuff to access and inspect more of the harness in the trans area and found the following: 1) ha... Trouble codes: 124 (tps volts higher than expected), 212 (loss of ignition diag monitor input to pcm), 215 (coil 1 primary circuit fault), 216 (coil 2 primary circuit fault), 217 (coil 3 primary circuit fault), 645 (incorrect 1st gear ratio).
1999 Ford F-250 Super Duty Lariat 6.8L 2-3 shift VIN: 1FTNX21S6X
I diagnosed this vehicle as having a faulty regulator valve in the pump face & took it back to the transmission shop. What he did was buy yet another used transmission ('99 diesel) 4r100. Pulled all the guts out of it, made sure not to mismatch anything cause...
2001 Ford Windstar SEL 3.8L fail nysi VIN: 2FMDA53421
2009 Ford Escape Hybrid 2.5L Brake pedal VIN: 1FMCU49319
The vacuum pump current draw seemed high, but I had no specification or truck to compare it with. The pump did work when tested. Because the brakes work with the Brake system control module unplugged, it seemed like the hard pedal could be caused by lack of ...
2010 Ford F-150 STX 4.6L Noise VIN: 1FTMF1EWXA
Customer declined any further testing. Some of the replies we received indicated to check oil pressure with a manual gauge, which we did, it had steady 80 psi oil pressure at idle. As near as we can guess it has a cracked piston skirt or something wrong with...
2007 GMC Envoy SLE 4.2L Poor Idle Quality VIN: 1GKDT13S77
started w/o 2 sensor up stream and got better but purge soll. came up as next code.cleared it and lasted two days and went back to harsh idle when cold,replaced gas cap as a precaution but alas... replaced purge valve soll. and it stayed good this time around... Trouble codes: P1400.
2001 Honda Passport EX 3.2L ABS module VIN: 4S6DM58W41
OK so when the car got to me it was full of mud from wheel'n and snow driving in the sierra's. The car came back with the same codes for the front abs sensors... no signal. So i got my scope out and scoped the sensors. NOTHING... but they did produce voltage P...
2009 Kia Rondo EX 2.4L MIL Lamp on VIN: KNAFG52809
Thanks to all for the replies, I found them all usefull, but the one that helped me fix the vehicle was Jurgen... He had me go back and re-test the basics. That is where I found that my voltages and grounds were correct but the wire back to the pcm was backed ... Trouble codes: P0107 (MAP sensor voltage below threshold).
2006 Saab 9-3 Aero 2.8L Oil Pressure Warning VIN: YS3FH41U76
Thanks for the response from all those that had ran into this problem already. Installed new switch and look forward to the customer saying no more oil light flicker. Thanks Anders for the reminder that it was available as a AC/Delco part. You are right Justin...
2005 Volvo XC90 2.5T 2.5L fuel pressure VIN: YV1CZ592X5
Thankyou very much for the help. Special thanks to Bruce [...] and Peter Clarke. They provided me with the wire diagram and the update from Volvo for the fuel pump module. Im not sure the dealer would have been as helpfull with the update info. First thing I l...
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