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Prev Professional Automotive Repair Technical Discussions for March 31, 2015
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Open Help Requests for All Makes and Models
Help Request Answers
2002 Audi A4 Quattro Avant 3.0L Cooling Fans VIN: WAUVT68E52
I am reopening this request as when I previously did there was a post with the exact issue that I could not find in tech help or knowledge base after I read it but my cooling fans run on high when they run on high speed only not continually as some seem to rea...
1997 Chevrolet K1500 Cheyenne 5.7L Unknown VIN: 1GCEK19R9V
Long story short guy asks me to do a trany swap in his truck, sure no problem brings me the reman unit to swap out. Old 4L60E trans is a one piece case, and new one has removeable bell housing. I tell the guy there not the same he contacts the builder they say...
2003 Chevrolet Suburban 1500 LS 5.3L alternator VIN: 3GNFK16Z73
Customer concern, Battery light and red brake warning light on, Condition is intermittent and has not occurred since visiting our shop. Has not acted up in two weeks. Codes p1637, p1638 set in pcm, C0291 stored in history in abs module. I have repaired problem...
2003 Chevrolet Corvette 5.7L Mechanical VIN: 1GNB313KT3
Not a Corvette, got an old Chevelle resto-mod has a 2003 corvette drive train with bare-bones pcm, fuel shut off is disabled and can't do a crank position sensor relearn,, code p1336 if needed,,, Who knows how to relearn with out a scanner?
2005 Chevrolet Silverado 1500 5.3L Unknown VIN: 1GCEK19B75
OK got a stumper here. This truck will drive normal. Then out of no where it will neutral out.(happened once while going 40 mph and once while leaving a parking spot). No codes, no other symptoms. When it acts up,it just revs in all gear positions. Only way to...
1990 Dodge B250 5.2L No Start VIN: 2B6HB21YXL
This baby has me stumped. It was towed in cranking no start. I confirmed normal fuel delivery(both injectors spraying) and strong spark (blue/jumped a 30). I pulled all the fuel fouled spark plugs, dried/cleaned them and reassembled. Was able to start engine t... Trouble codes: 41 (Alternator field circuit), 51 (too lean), 15 (missing VSS signal), 45 (OD solenoid circuit fault)
1999 Dodge Ram 1500 Laramie 5.2L Engine Miss at Idle Only-One Cylinder VIN: 3B7HF13Y0X
The misfire counter on my Snap-On Solus Ultra shows misfires on Cylinder 8 ONLY. If I am stopped with the engine at idle speed, the misfire counters on Cylinder 8 will climb consistently. As soon as I increase RPM or drive, the misfire counter stops incremen...
2002 Dodge Caravan SE 3.3L transmission VIN: 1B4GP25382
Customer came back with the same complaint with transmission getting stuck in second gear. Had code P0750 Low reverse switch fault. Test drove several times before transmission went into fault mode. and could not erase code and transmission stayed in fault mod...
1998 Ford F-150 XL 4.2L Rod bearing - cyl.#1 VIN: 1FTZX1723W
Customer never reported overheating, nor engine oil problems, only sound coming from underhood. Removed engine to take to engine rebuilder and he now states that the engine was overheated affecting cylinder#1 only? He is going to send pictures of temperature ...
1998 Ford F-150 XL 4.2L Poor Idle Quality VIN: 1FTZF1720W
Check engine light on with code P0174 Bank2 lean condition, replace 02 sensor due to intermittent no reading with no change to fuel trims. Bank1 short term trim is at -20% at idle and bank2 short term trim is at 33% at idle, above idle both trims are at aprox ... Trouble codes: P0174 (bank2 system lean)
2002 Ford F-150 King Ranch 4.6L No Start, Poor Idle Quality, Hesitation, Cuts out, Stall, Misfire, MIL Lamp on VIN: 1FTRX17WX2
I'm stumped, if anyone out there ran into this problem and fixed it I be grateful for the fix. The truck came in as a no start, It had P305, P0171 , P0174 codes in the computer.It magically started when I go in to start it, but ran with a bad miss. First thing... Trouble codes: P0305, P0171 (Lean bank 1), P0174 (Lean bank 2)
2006 Ford Fusion SE 2.3L Poor Idle Quality VIN: 3FAFP07ZX6
Alright group, I have this 2.3 Fusion and it has a bad surge at a idle. No codes, it only surges at a idle, as soon as you raise the idle the problem goes away. I smoked the intake and no leaks. I have noticed in the "spark duration" section in my Modis that t...
2008 Ford Ranger XL 2.3L tpms warning lamp VIN: 1FTYR10D18
Replaced GEM/SJB module,programmed with as built data.Relearned tire pressure monitors.Tpms light goes out.Cycle key TPMS light comes back on and code C2780-60 sets in GEM module.Tried two different GEM modules,relearn tire monitors multiple times.What am I do...
2011 Ford F-350 Super Duty Lariat 6.2L Mechanical VIN: 1FT8X3B63B
hi guys i have this vehicle in my shop no crank and no communication with scanner jump starter vehicle crank observe no shift indicator light on dash removed pcm harness and check voltage # 52 fuse to # 42 wire to pcm ok check fuse 33 to pcm still no comm with...
2014 Honda civic 1.8L abs module
can abs module be programmed using J2534 passthru device
2008 Hyundai Accent GS 1.6L oil control valve VIN: KMHCM36C88
Guys i need info from a hyundai technician or someone who has changed the oil control valve on a 1.6l. Alldata and Mitchell do not show a removal procedure except when taking cyl. head apart. My question is can the valve be replaced by removing the exterior bo...
2007 Jeep Grand Cherokee Laredo 3.7L Tapping noise/high oil pressure VIN: 1J8GR48K67
I have a 2007 Jeep Grand Cherokee with a 3.7 litre engine. It makes a tapping noise at idle and revved up with no load. The noise goes away revved up under load. There is no misfire. I assumed (incorrectly) that it was a lifter/rocker problem but I'm convinced...
2003 Land Rover Discovery SE 4.6L MIL Lamp on VIN: SALTW16493
Hello everyone. I need help from you techs that are good with land rovers because this one has me stumped. Vehicle came into shop for failing the epa test. The only code stored at the time was for p0130 oxygen sensor circuit bank1 sensor1. I did notice all dri... Trouble codes: P0130 (Oxygen sensor bank1 sensor1), P0154 (Oxygen circuit no activity detected bank2 sensor1)
2006 Lexus GX470 4.7L Unknown VIN: JTJBT20X46
after replacing the transmission,the transfer case will slip out of hi gear into neutral on road can hold the transfer case lever and keep it from happening .it also will not slip out of low setting. we removed the transfer case and sent it out to an...
2008 Mercedes-Benz ML550 5.5L No Start, Stall, MIL Lamp on VIN: 4JGBB72E38
This is one of our customer, he brought the SUV in and said that the dealer checked out the "check engine" light said the camshaft magnets needed to be replace. He declined the repairs and came to us. Pulled the codes and found the 4 listed. p0012, p0022, p033... Trouble codes: P0012 (Continuous camshaft adjustment incorrect position of camshaft right), P0022, P0335, P0336
2008 Mini Cooper 1.6L Idle and start up VIN: WMWMF33598
Hello and help with my personal Mini nightmare. I need help on setting the record straight about the crankcase ventilation system on the Mini's. I have this one in that idles rough on start up and appears to have a PCV system that may be drawing too much air? ...
2004 Nissan Titan XE 5.6L pedal feel and braking VIN: 1N6AA07A54
The customer lives up a hill and has an intermittant problem, where they feel the pedal strokes to far, feels mushy and braking is very poor. The problem is I have not been able to duplicate the symptoms as they are very intermittant. This only happens when go...
2003 Pontiac Aztek 3.4L ignition switch VIN: 3G7DA03E53
The ignition key did not release in lock position or turn all the way to crank position. I replaced lock cylinder. Now key releases, but still cannot get it to turn to start position. Solenoid seems to be firing to enable and disable key removal based on shif...
2006 Pontiac Solstice 2.4L Air Bag Light VIN: 1G2MB33B36
This car came to me from the jeep dealer up the street. They have the car sold and the air bag light is on. I have checked for codes and I have No communication with the air bag module, transmission module, instrument panel, radio, and theft. I do have communi...
2011 Porsche Cayenne S 4.8L Engine VIN: WP1AB2A24B
to all the porsche experts please i need your help this car came in with engine idling rough and no assisted braking checked codes and following are multiple misfire bank 1, P0068 which is MAF/MAP throtle position coalition, p2404 evap leak pump sensor, p0344 ...
2004 Volkswagen Jetta GLI 1.8L Tensioner Pulley
We had this Jetta come in with the drive belt hanging about a third of the way off of the tensioner pulley. Drive belt and tensioner were replaced and belt was still hanging off the tensioner pulley. We could see that someone had recently replaced the alternat...
2006 Volkswagen Passat 2.0T 2.0L No Start VIN: WVWAK73C86
Thanks in advance for any replies. 06 Passat 2.0t came in on a hook. I think th cust cleared codes because there aren't any. Cust said that died while driving. Then cust showed me a coil pack that came out of number one cylinder that was completely melted alon...
2010 Volkswagen Tiguan SE 2.0L Poor Idle Quality, Misfire, MIL Lamp on VIN: WVGAV9AX8A
Howdy all, I have a volkswagon Tiguan 2.0 turbo that is starting to give me a little trouble. This is my first time asking for help so ill try to do my best. Veh, came in and on test drive the veh runs well when moving and rpm is up. Idle surges from 450 to a ... Trouble codes: P0341 (cam shaft position sensor implausable G40), P0011 (cam shaft A retarded set point not reached), P0300, P0506 (Idle control sys lower than expected.)
2012 Volkswagen Jetta SE 2.5L Front windshield wipers VIN: 3VWDX7AJ4C
Hopefully someone out there has dealt with this situation. We have a 2012 Jetta that we replaced the front windshield wiper motor on. The original motor was very noisy. This is apparently a very common occurance, and there is a TSB for it as well. The TSB (whi...
2013 Volkswagen Beetle 2.5L evap VIN: 3VWFP7AT9D
I have this beetle with a CEL on with a code for the Leak Detection Pump circuit high.I need some testing info and a tip or two.I don't have the car at the moment but I will tomorrow.I sent it VW dealer thinking it was still under warranty but they said it was...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2000 BMW 323i 2.5L Missfire
Thanks to all who took time to reply. I swapped two of the injectors and no change so that ruled out the injectors. Yes the 200+ compression is high for this car. Probably a lot of carbon build up. In any case, as I mentioned in the original request, the plug...
2008 BMW 328i 3.0L Poor Idle Quality, Hesitation, Misfire VIN: WBAWR33548
Must have had brainlock looking at the eccentric deg., missing inlet cam signal and the fact that the car ran very well with the eccentric manually set to 70 deg. Pulled and cleaned inlet vanos solenoid and all is well. Doesn't seem to have the excessive vacuu... Trouble codes: 2A82, 2A98.
2004 Cadillac CTS 3.6L MIL Lamp on VIN: 1G6DM57734
Thanks for confirmation guys. New PCM fixed it. Now have 0 volts at tan wire. Good working throttle. Trouble codes: P0122, P0222.
1999 Dodge Ram 1500 Laramie 5.2L Unknown VIN: 1B7HF13Y4X
Thanks to all again we droped the oil pan again and found beraing clerance to be way off so customer told us to put in another engin Thanks
2010 Dodge Grand Caravan C/V 3.3L Stall
thank for all the help this van i ran three wire from the pcm to the crank sensor vehicle is out so far no light Trouble codes: P0339.
2003 Ford F-350 Super Duty XLT 6.0L Mechanical VIN: 1FDWF36P03
Thank for all the replys guy I have no problem rebuild it and taking it apart that why I want to gets some more info from you guys I priced everything out and gave him a price of 7900 dollars and he basically said I was crazy . So I explained to him the amout ...
2006 GMC Sierra 2500 HD SLT 6.6L Stall VIN: 1GTHK23DX6
thanks so much for the replies. this one is fixed.i had already cut the 5v wires except oil pressure switch because it was reading I went back and cut it and still no 5v but sensor side showed ground so I unplugged eop sensor and wire was still grounded.... Trouble codes: P0652, P0522, P0405, P0462, P0672, P0673.
2008 Honda Accord EX 2.4L Radio VIN: 1HGCS12878
Joseph nailed the codes. Thank you. I tried the online website and It did not like the Vin#. Maybe some thing to do with Canada. You do need the radio Vin#, that is the most important
2008 Hyundai Sonata GLS 2.4L wipers VIN: 5NPET46C98
2005 Kia Sportage LX 2.7L MIL Lamp on VIN: KNDJF72385
I want to thank everyone for all the helpful replies. It was a airflow problem as David had suggested. This vehicle has a woven fabric type duct between the air box and core support. It was partially collapsed on the inside and restricting the airfow. Most of ... Trouble codes: P0171 (Fuel system leanbank 1), P0174 (Fuel system lean bank 2).
2010 Mazda 3 i 2.0L MIL Lamp on VIN: JM1BL1SGXA
many from new Hampshire was correct. after cleaning the throttle body this car is fixed. along the way we performed a smoke test on the exhaust with all being tight with no leaks.we also had an oscilloscope on the rear o2 while road testing(the rear sensor is ... Trouble codes: P0139.
2008 Mercedes-Benz GL320 CDI 3.0L Mechanical VIN: 4JGBF22E08
thanks to everyone responding, all valuable information. I am NOT rebuilding the turbo since I don't know how and don't have the means to properly do the job, as most don't. I finally found some useful information at that really helped me app...
2001 Mercury Grand Marquis GS 4.6L Poor Idle Quality, Surge, Misfire VIN: 2MEFM74W81
Waiting for customer to return will update when they do.
1969 MG MGB 1.8L super charger VIN: GHN4U18360
This is a copy of my correspondence with Garrett Harmon at Magnuson. I am now waiting for my customer to decide where to go from here. I hope this info may help someone else some day. Thanks for all the replies. (DH)Mr. Harmon: I have a customers 1969 MGB in m...
2003 Mini Cooper S 1.6L MIL Lamp on, Very low power VIN: WMWRE33423
The car had a vacuum leak at the cross over pipe. This caused issues with the fuel management system which in turn took out the catalytic converter. The clogged converter caused much of the low power. It was also going into limp home mode. The knock sensor cod... Trouble codes: P0326 (Knock sensor).
2004 Toyota Sequoia Limited 4.7L four wheel drive VIN: 5TDBT48A54
Finally got this back to do some more checking. turns out that the customer had taken it to a Toyota dealership prior to bringing to us. when checking the position of the SW1 and SW2 switches and comparing them to the transfer case motor limit switches i deter...
2007 Volkswagen Jetta Wolfsburg Edition 2.5L Poor Idle Quality VIN: 3VWEG71K97
I feel like I missed the side of a barn. Sorry for not having fuel trims, as I'm the shop owner, not the tech. Mike from BC pushed me in the right direction. We blocked off vacuum pump, in the process discovered a small crack in the booster line. We were looki... Trouble codes: P0506, P0113.
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