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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for May 21, 2015
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Open Help Requests for All Makes and Models
Help Request Answers
1988 Bentley Eight 6.7L ride height VIN: SCBZE02B6J
I inherited this car from a shop gone out of business, the car was very low in the rear. I found that the bar for the ride height was loose and pulled out of the sensor, I stuck it back into place and tightened the clamp now the car sits way to high I need to ...
2003 BMW 530i 3.0L main relay VIN: WBADT63463
We installed used engine would not start.[we drove it in shop]. We found 30 amp fuse underhood for the main relay was blown ,replaced it ,car started and ran great for 4 days. I had to have it towed in this morning with same fuse blown. I can't find a wiring d...
2005 BMW 325xi 2.5L Unknown VIN: WBAEU33415
car came in with trans fault light on scanned for codes found code 35 gear 3 monitoring (p0733) checked fluid level was slightly low, dropped tranny pan didn't find any debris performed a filter change refilled with new fluid, reset the adaptations test drove ...
2007 BMW 328i 3.0L Poor Idle Quality, Misfire, MIL Lamp on VIN: WBAVA37587
When car first came it had many missfire codes, 2a87 exhaust vanos mechanic invalid signal, 10819 valvetronic thermal overload protection warning checked with cam vanos timing = intake 84.4--actual exhaust -115. Intake and exhaust adaption = -.41. Eccentric sh... Trouble codes: 29D2, 29D0
2007 BMW X5 3.0si 3.0L Electronic
I have a 2007 BMW X5 that the air on the passengers side when on ac feels a little warmer then the drivers side. I went into the I-drive and set the face vent to cold that did not help. I used the scanner and found the vent temp on the pass side is 20 degrees ...
1995 Buick LeSabre Custom 3.8L Poor Idle Quality, Hesitation, Surge, Cuts out, Stall, Misfire, MIL Lamp on VIN: 1G4HP52LXS
vehicle came in with code p0341. complaint is vehical stalls at times runs rough. checked rmp signal on scanner and cam and crank counts which max out at 255 counts. replaced cam and crank sensor checked ring on crank pulley for damage. nothing wrong with ring... Trouble codes: P0341
2003 Chevrolet Astro 4.3L Unknown VIN: 1GNEL19X13
Van came in with both a vibration and noise when getting above 10mph. He has had both the front differential rebuilt by a very reputable local company and the transfer case replaced with a factory remanufactured unit and nothing has changed. We removed the fro...
2004 Chevrolet Aveo 1.6L Misfire VIN: KL1TD62644
Owner brought because mil is on, flashing while driving, shop that done work has give up. On compression test got 135 all but number 3 with 125. With data stream can see timing at 4 with no advance. Also can hear timing belt whine. Pull covers and it looks as ... Trouble codes: P0300 (Missfire), P0420
2005 Chrysler 300 Limited 3.5L limp in VIN: 2C3JA53G25
limp mode p0765 ud circut I do not have power @ the solenoid pack. Wiring from relay to trans is good. pin 30 on relay b+ pin 86 from pcm has 6 volts at alltimes at pcm and at relay 86 I'm thinking that should be b+ and that the pcm might be at fault. All powe...
2004 Dodge Dakota 3.7L MIL Lamp on VIN: 1D7HG12K44
We put 10, then 40 miles in 2 trips on this reman engine prior to returning to customer. He gave vehicle to his son 100 miles away. Mil came on, son took it to his independent shop where they replaced B2S1 for a P0153 (O2 not switching). Didn't help. When it w... Trouble codes: P0153 (B2S1 not switching stays .860 volts)
2004 Ford F-250 Super Duty Lariat 6.0L Misfire, MIL Lamp on VIN: 1FTNX20P04
Truck came in with several missing cylinders, found three injectors bad and customer wanted all injectors replaced. Install new fuel pump due low fuel pressure, truck was gelled up several times in winter prior to any repair. After all work was done, test driv... Trouble codes: P0269
2005 Ford F-250 Super Duty Lariat 6.0L Exhaust VIN: 1FTSX21P55
Hey guys and gals I have a Turbocharger that vibrates at idle enough to make the exhaust noisey. If you put your foot on the exhaust pipe it will stop. If you put your hand on the turbo it will stop vibrating. I found a TSB related to a moan/drone noise from t...
2008 Ford E-450 Super Duty 6.8L Stall VIN: 1FD4E45S28
this bus came to me needing a new computer installed and programed. after programing computer and resetting cluster engine started and ran untill it got hot. once its hot if u are stopped and have foot on brake or turn steering wheel the engine will slowly dro...
2008 Ford F-550 Super Duty XL 6.8L MIL Lamp on VIN: 1FDAF56Y68
Hi everyone, thanks for your help in advance. I apologize in advance for this length of this request. This vehicle has been at other shops for the same problem for over one year. Being over 14,000 GVWR, it's not OBD2 compliant. It lacks the catalyst monitor se... Trouble codes: P0443 (Evap Vapor Management System)
2012 Ford Focus SE 2.0L Starting VIN: 1FAHP3F25C
Hello, This is a flood car so it may be a little different than a "normal" failure, however, there are codes that set immediately and hopefully someone can point me in the right direction. Will not crank...no codes setting in PCM...purchased new key and new PA...
1999 Honda Civic EX 1.6L Radiator fans VIN: 2HGEJ8548X
Vehicle came in for a stalling at a stop issue. found the a/c would cycle on and off rapidly causing the issue when coming to a stop. Evacuated the system. Recovered .8 lbs. Vacuum system and recharged. Started the vehicle and noted the compressor would engage...
2001 Jeep Grand Cherokee Limited 4.0L Mic Bus VIN: 1J4GW58521
We have got trouble with the BUS. We tested first for communications with the Scan Tool. (MAXIDAS, Verisys and Modis) We can communicate with the PCM Only. We have Disconnected the MIC (mechanical Instrument Cluster) the BCM the overhead console the Drivers do...
2010 Land Rover LR4 HSE 5.0L Charging VIN: SALAM2D46A
The customer states that after the car left from service ( described in related repair history) the "low battery start engine light " in on when entering the car. As soon as you start the car the message goes away. After driving the car for two days and about ...
2007 Lincoln MKZ 3.5L Safety VIN: 3LNHM26T17
car came in with air bag light on. [...]. replaced module per Mitchell. no change now have 2 codes. b1342 and b2290. I feel that pressue switch is bad. it never show some sitting in seat. thought pressure switch came with cushion. but dealer says other wi...
2007 Mercedes-Benz SL55 AMG 5.5L Abs, Top, Radio VIN: WDBSK74F57
Hey All, Before I dig into this one is there a maxi fuse somewhere for these three circuits that is not on the owners manual or on the schematics I have? ShopkeyPro does not show a power distribution circuit and I have submitted a schematic request yesterday ...
2007 Mitsubishi Galant ES 2.4L vibration VIN: 4A3AB36F37
Customer brought his vehicle in for timing belt replacement. He brought it back a few days later complaining of a vibration. We tore down the front cover area and checked timing marks. TWICE. BY two different techs. They are spot on dot to dot on both the cam ...
2000 Nissan Pathfinder LE 3.3L MIL Lamp on VIN: JN8AR07Y4Y
p1402 sets and turns on the SES light. Replace EGRC-BPT valve that had vacuum through it at all times. Now still sets p1402 and all EGR systems test good. EGR valve closes, EGR solenoid does not leak vacuum and opens and closes when voltage is applied and remo... Trouble codes: P1402
2007 Nissan Xterra X 4.0L all shifts VIN: 5N1AN08WX7
Vehicle came in with coolant in transmission, replaced radiator flushed lines rebuilt trans IN HOUSE, replaced valvebody and tcm from dealer. Ran vehicle found reverse hits hard and fourth gear takes offs, checked all fuses scan all modules found no blown fuse...
1977 Porsche 911 S 2.7L No Start VIN: 9117202441
Car was stored inside four years. Drained gas, flushed with new and added 3 gallons with some techron cleaner. Tries to fire but doesn't start. CIS pressure test show a bad warm up regulator. I don't know if it is too open or too closed. Can I clean it and rei...
2003 Saab 9-5 Arc 3.0L High Beam Headlights VIN: YS3ED49Z33
Hello to all and thank you to everyone in advance for whatever help you can provide on this light problem on this Saab. The problem is no high beam lights. I've tested the system to the point where I'm fairly sure the problem is in the headlamp assemblies them...
2009 Subaru Outback 2.5i Limited 2.5L MIL Lamp on VIN: 4S4BP66C59
We rebuilt the engine in this Suby and since we did, on heavy acceleration the check engine light blinks and all 4 cylinder misfire codes are stored . There is no recognizable misfire or any other drivability issues. The coil, crank and cam sensors were replac... Trouble codes: P0301 (p0302-), P0302 (p0303-), P0303 (p0304-), P0304
1995 Toyota Tacoma DLX 2.4L Misfire VIN: 4TAUN53BXS
Hello all, We have one that refuses to reveal itself. Customer brought the truck in for a hard start under heat soak, we found the ecu to be at fault and was replaced with a used unit. That problem has been resolved. A few days later the customer brought the v... Trouble codes: P0170
2003 Toyota 4Runner Limited 4.0L Drain VIN: JTEZU17R03
Vehicle came in with a drain that killed battery overnight. Pulling Radio 1 and 2 fuses made the 2 amp draw go away. Unplugged amp at rear no change. Customer had a radio installed. Vehicle was ok for about a week but came back with a drain again. Initially sa...
2008 Volkswagen Beetle SE 2.5L Pass Power Window VIN: 3VWRF31Y78
Thanks in advance for any insight... Issue: Customer states that when unlocking her vehicle, if she then opens her passenger door, then the window will roll all the way down. We are able to duplicate this. However, there may be more to it than just that. Wha...
2008 Volkswagen Eos lux 2.0L turbocharger VIN: WVWFA71F18
Replacing turbo for massive oil consumption as a precaution I dropped oil pan to check for anything that would have caused oil starvation which in turn would have taken out turbo brgs and seals Inside of motor very clean but I did find a lot of plastic pieces ...
1991 Volvo 740 2.3L Poor Idle Quality, Hesitation, MIL Lamp on VIN: YV1FA8844M
we replaced transmission and now all these problems are occuring. the vehicle has a rough idle and hesitation when accelerationg. the code 321 ( cold start valve ) is in the computer. Fuel pressure is 51 psi at idle and 55 psi when accelerating... vehicle is r... Trouble codes: 321 (cold start valve)

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2007 Audi A4 2.0L MIL Lamp on VIN: WAUAF78E77
THANK YOU JOHN! I DID WHAT YOU HAVE SAID AND REPLACED 2 RELAYS AT UNDER THE ECU AND RETEST, SHORT TEST. NO CHECK ENGINE LIGHT ON AND NO FAULT CODES. AGAIN, THANK YOU JOHN FOR YOUR HELP. Trouble codes: P0444, P0033 (Air recirculationvalve for turbocharger n249 electrical fault), P0243 (Charge pressure control solenoid valve n75 open circuit/ short to ground), P2294 (Fuel pressure regulating valve open circuit), P2400 (Leakage diagnosis pump tank breather system electrical fault/ open circuit).
2010 Audi A4 Quattro 2.0L MIL Lamp on VIN: WAUBFAFL0A
thanks for all the replies, I followed most advice, multiple times in some cases but unfortunately I had to give up on this car which is something we never do. spent about 3 days of labor that I gave away. My feeling is that there is a fuel pressure problem ... Trouble codes: P2177, P2279, P0299.
2011 BMW 528i 3.0L No Start VIN: WBAFR1C52B
2004 Cadillac CTS 3.6L No Start VIN: 1G6DM57734
Many thanks to all who responded.Steve led me in the direction of 12 volts to pcm on pink wire with the black stripe. I only had 2 volts.Replaced main relay and got 12 volts now.Many thanks to Juan [...] for his help in leading me towards the ignition tumble...
2005 Chevrolet W3500 Tiltmaster W3S042 6.0L MIL Lamp on VIN: 4KBB4B1U55
Thanks to the three guys that replied to my request! I did put a new throttle body on like I said in the related repair history, but didn't help. I was looking for the location of the TAC module and Zack was right on the money. You can see the module from unde... Trouble codes: P0120, P0220, P1516, P2101, P2135.
2006 Chevrolet Impala LT 3.5L Vci # VIN: 2G1WT58K66
Thanks for the replays here is what I had to do to solve the problem I ran into. The BCM was superseded to a different BCM module number and I couldn't flash the replacement module with the standalone tis 2000 on pc even though its and year covered by the soft...
2007 Chrysler Town & Country Touring 3.8L Airbag VIN: 2A4GP54LX7
Sorry it took me so long to close this post but unfortunately after several appointments and the customer never showing up I have decided to close this one, unresolved. I'd like to thank every one who took the time to reply, i did find all of the information ...
2006 Ford F-350 Super Duty XLT 6.0L Airbag System Inop. Flashing Code 33 VIN: 1FTWF31P56
Ok Guys its fixed, I did as you suggested and reinstalled the original RCM. By doing this I saw only codes generated for the passenger airbag loop open. I then re-installed the 2.5Ohm resistor at the passenger side airbag and cleared the codes. At this point t...
2008 Ford E-350 Super Duty 6.0L Cylinder 3 low compression VIN: 1FTSE34P28
Customer had us put back together at this time, they understand fix it right or dont fix it. They are deciding to run it since they are in the spring busy time and they use this van for guys that do landscaping and sprinkling installation. They are going to ru...
2008 Ford Escape XLT 2.3L Smooth Idler Pulley Bolt VIN: 1FMCU93Z08
First - the bolt. I checked with a second Ford dealer. He confirmed that there is no part number for the bolt but it's also not a generic bolt off the rack. It is available only with the idler pulley - and he said it's a new part number. Don't know if that mea...
2010 Ford F-150 King Ranch 5.4L pass blend door VIN: 1FTFW1CV2A
thanks Bill and Perri i ordered a new unit for 235.00 I figured that was the best route seeing how rebuilt electronics can be a pita installed, unhooked batt. and rehooked batt and fuse 15 turned key on and let it calibrate now it works we have heat and air...
2003 GMC Yukon XL 1500 SLE 5.3L evaporator VIN: 1GKFK16Z43
Thanks for the help, the cycling switch was bad, low pressure got as low as 14 and comp still running. Replaced switch and checked, cuts out at 21 now and back on at 40 and works good. Thanks again for all the help. Mike
2007 Infiniti G35 3.5L Timing Chain VIN: JNKCV54EX7
Well!!! this one is done! I would like to thank so very much to all the guys that helped me with valuable info to get this car done. THERE IS TWO FIXES FOR THIS CAR!! AND I WANNA EXPLAIN WHY SO IF ANYBODY COMES A CROSS SOME LIKE THIS IS AWARE OF IT!. THE TIMIN...
2005 Land Rover LR3 SE 4.4L Misfire VIN: SALAD25485
found left head with rocker arm shaft BROKE. also bolt stripped out that held it down. someone just did heads and rings on it. replaced shaft and helly coiled bolts holes. runs great now. someone it dosen't matter how wires are put on coil packs. wrong. found ...
2013 Land Rover Range Rover Evoque Pure 2.0L Stall, MIL Lamp on VIN: SALVP2BG4D
thanks guys- this was a classic case of not seeing the forest for the trees... had a blown off intake hose underneath. A good visual inspection should've been first. When it was hot it wasn't making any suspect noises but on a cold start you could hear is suck... Trouble codes: P0258 (Injection pump fuel metering b low), P219F, P219A, P013A, P2066 (Fuel level sensor b circuit range), P0133 (Heated o2 exhaust gas o2 bank 1 sensor 1 slow response).
2011 Lincoln Town Car Executive L 4.6L Poor Idle Quality VIN: 2LNBL8EVXB
The replies were all good suggestions...when i got back to it i decided to scope MAF signal (main load sensor at idle) and sure enough had a bit of "wiggle" ...found ground pin to MAF spread (likley when brand spanking new air filter was installed...it was not...
2008 Mercedes-Benz SL550 5.5L compressor VIN: WDBSK71F78
1989 Toyota Pickup DLX 3.0L MIL Lamp on VIN: JT5VN94T4K
I replaced distributor and all secondary ignition system. No luck. yes I have original OE Knock sensors from world pac. no luck. The signals on the knock sensors from the truck with no check engine light and this one look just right about the same on the oscil...
2003 Volkswagen Jetta GLS 1.8L Immobilizer VIN: 3VWSE69M03
Thanks for all who replied, Matt helped by leading to the generation of the immobilizer, gen.3. In rosstech.wiki was the instructions for installing a used ECU. We have a pin code reader, so was able to get codes from both modules. This was a must , in the log...
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