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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for September 11, 2013
International Automotive Technicians' Network (iATN) - Members Only
(Also Available: All, Asian, Chrysler, European, Ford, GM.)
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Open Help Requests for All Makes and Models
Help Request Answers
2003 BMW 330Ci 3.0L sun roof VIN: WBABN534X3
Hoping someone can shed some light on an issue i am facing and add your info. Apologize for the long read upfront. Yet if im asking for help I want to cover everything I did as well as give some of my own opinion on what i think it may be. I may already be on ...
2006 BMW 325i 3.0L turn signal VIN: WBAVB13576
This BMW was presented with both front turn signal lights inoperative back in March, replaced both head light assemblies (TYC units from World Pac)due to melted/over heated connector damage where turn signal socket makes its electrical contact in head light ho...
2011 BMW 328i xDrive 3.0L Brake Pedal VIN: WBAPK5C59B
Hello BMW techs, this 2011 328i x drive 22k miles, was in a salt water flood bad.The air bag module, radio, CAS module, and many others modules, seats etc. where replaced. The only problem remaining is the brake pedal still act weird.Sometime when you start th...
2003 Chevrolet Trailblazer North Face 4.2L Left Blend door VIN: 1GNET16S83
I now get look at this problem. Scan for codes no codes in system. verify issue only heat on divers side. Watch data on tech 2 can watch right side commanded and actual are close to each other. When you sweep right side though it air flows leaves vent and it s...
2005 Chevrolet Silverado 1500 5.3L Hesitation VIN: 2GCEK19B85
Vehicle has a severe hesitation if you floor the accelerator from a dead stop. If you leave your foot on the floor it will slowly accelerate. When you accelerate "normal" it fells fine. If you floor it while driving it does not hesitate. Both tps's and app's a... Trouble codes: P0332
2006 Chrysler 300 C 5.7L Front differential VIN: 2C3KK63H46
When making a left turn only you hear a grinding noise from underneath the front of vehicle. PLEASE HELP ME!!! HOURS OF D&A ALREADY INVESTED!!! THANKS!!
1994 Dodge B250 3.9L Excessive Emissions VIN: 2B6HB21X9R
This oldtimer is about to get my goat! Towed in,no spark,replaced dist and got it running but no power.opened exhaust and did road test,still runs like plugged converter.checked ignition on scope,ok. Archives describe this as the pump picking up air but I can...
2004 Dodge Durango Limited 5.7L Misfire VIN: 1D8HB58D14
Have a constant miss on #6 cyl... Fuel pressure within spec. Good voltage. Compression on #6 150lbs. Have good spark on both coils. Injector is pulsing. Replaced injector with known good one. Have swapped all affected coils, plugs, wires. This should b... Trouble codes: P0306 (Missfire 6 cyl)
2009 Dodge Grand Caravan SE 3.3L Poor Idle Quality, Hesitation, Misfire, MIL Lamp on VIN: 2D8HN44E69
Getting random misfire, number 6 cyl ,and other cylenders randomly . under load accelerating from about 60 k to 75 k. Trouble codes: P0300 (Random misfire), P0306 (Misfire cyl 6)
1997 Ford E-350 Econoline XL 5.4L Oil Pressure Gauge VIN: 1FBHE31L1V
Hi all. This one has me stumped. Start van and all gauges function normally at first. Let run and the oil pressure gauge pegs consistently, while intermittently the other gauges may fluctuate. According to the wiring diagram and SI on this vehicle, the oil pre...
2006 Ford F-150 XLT 5.4L Cuts out VIN: 1FTPW14V56
This truck loses power on acceleration like the cats are plugged. Only 2 psi back pressure before Cats, Dropped exhaust down at manifolds, no change when driving. scanner shows FRP to match desired FRP when driving most of the time sometimes desired pressure i...
2010 Ford Fusion Hybrid 2.5L a/c compressor VIN: 3FADP0L30A
ac blows hot air, no codes. climate control data shows everything works fine ac pressures show no change when ac is commanded on how do you test this particular compressor/ac module? it looks like some kind of electrical motor not a compressor. Any ideas HOW T...
2003 GMC Sierra 1500 SLE 5.3L overheating VIN: 1GTEK19T33
truck over heats when turn on a/c and takes about 25 minutes to start over heating turn off a/c and backs to normal any help please
2004 GMC Sierra 1500 SLE 5.3L low pedal VIN: 1GTEK19T14
got overrun with 3 gm trucks with rusted and leaking brake lines.it sucks to change all the steel lines but my trouble is getting a good pedal.we pressure and vacumnn bleed.i donot have a tech 2 scanner.i have read about depressing valves or whatever in abs pu...
2010 Honda Accord LX 2.4L Mechanical VIN: 1HGCP2F37A
This car came to me from the dealer with a low brake pedal. Brake fluid was down just a tiny bit. I bleed all four calipers (4 wheel disc). Only had air in right front. No sign of fluid anywhere very clean nice car. It left just thinking the dealer didnt bleed...
1995 Jeep Grand Cherokee Limited 5.2L No Start VIN: 1J4GZ78Y9S
Hi all,my friend is going to go postal after trying to fix this one.. when replacing transmission he broke crank sensor,installed new one and it ran for 5 miles,then no start,no spark..replaced the crank sensor again with a napa and still no spark.. noticed th...
1999 Mercedes-Benz CLK430 4.3L No Start, Poor Idle Quality VIN: WDBLJ70G6X
This car will crank for a long time before starting cold. When it does finally start, it will stumble for 20 seconds or so, then runs smooth. If you put in gear it has no power cold. It runs perfect warm, with fuel trim around -5% after driving. Check engine l... Trouble codes: P0446, P0161, P0156
1996 Plymouth Grand Voyager 3.0L battery VIN: 2P4GP2432T
Vehicle has .350 milliamp draw key off killing battery. (.40 ma of recorded draw is memory) If fuse 2 under dash is removed draw goes away. Traced down to instrument cluster. If cluster is unplugged draw goes away. Both ground wires are fine as are both power ...
2002 Pontiac Grand Am SE 2.2L No Start VIN: 1G2NF12F62
Hello All,I have a problem child here that is giving a lot a grief.Car came with no start condition ,the battery was dead,put new one still wont start,did a test on the starter wont crank even I put direct power to the starter,put new one in,Now it will crank ...
2007 Pontiac Grand Prix GT 3.8L sunroof VIN: 2G2WR55407
hello again guys...I have 2007 Pontica Grand Prix. The sunroof was closed, bat from what i was told, customers son opened it while driving it around. Now, it wont close. I can manually close the sunroof by applying ground to the sunroof motor connector ORANGE ...
2007 Saturn Ion-2 2.2L Misfire, MIL Lamp on VIN: 1G8AJ55F97
Hello everyone. This is my wife's Saturn and the service engine light randomly comes off and on till yesterday when code p2127 showed up. I am at a loss here so I had her take it to the local Chevrolet dealer and had them look at it. I was assuming it was all ... Trouble codes: P0411, P0300, P2127, P2440
1998 Subaru Legacy GT 2.5L Fuel temp sensor VIN: 4S3BD6751W
Car came into shop with a p0183 fuel temp sensor A fault. Cleared faults and dtc comes right back very next key cycle. Visually inspected fuel system and found a broken valve back near the front passenger corner of tank. I am not sure that this is the fuel tem...
2012 Subaru Outback 3.6R Limited 3.6L MIL Lamp on VIN: 4S4BRDKC3C
Hi, got some questions on my wifes Subaru... We were coming back from a trip out to Oregon, coming into Billings, MT and the car decided it wanted to go back to the dealership. It felt like it stalled out but it was just the cruise shutting off. Check engine l...
2010 Toyota Tacoma 2.7L Excessive Emissions, Poor Idle Quality, MIL Lamp on VIN: 5TENX4CN0A
I have a gem here. The customer brought this truck in a few weeks ago, and stated that the VSC light would come on and the truck would run rough. Another tech looked at it and drove it for nearly 100 miles over the course of a few days, and there were no sympt... Trouble codes: U0100 (ABS lost communication with ECM)
2011 Toyota RAV4 2.5L Excessive Emissions, Poor Idle Quality, Misfire, MIL Lamp on VIN: 2T3BF4DV6B
About to give up. Customer "heard a loud noise" upon start up. Came in with p0300, p0301,p302,p303 and p304. Cleared codes. 1st drive MIL flashes and engine misses, (excessive fuel/cataylst damaging condition)p0301 and p0171. watched fuel trims in the bay, the... Trouble codes: P0300, P0301, P0302, P0303, P0304, P0171
2003 Volkswagen Jetta GLS 1.8L all VIN: 3VWSE69M43
i have code 00300 temperature sensor the problem with this car; doesnt shift when cold, once hot everything is normal, trans shifts fine.
2006 Volkswagen Jetta TDI 1.9L accel pedal cuts out VIN: 3VWRT71K86
When car came in found codes P0122(Throttle pedal position sensor circuit a low), P2112(throttle actuator control system stuck closed), and P0642(sensor reference voltage low). The accelerator pedal on this car will cut out while driving. It seemed intermitten...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2000 Acura EL 1.6L low power
Finally had an opportunity to do further testing on this car. Performed a road test with fuel pressure gauge and scan tool attached. After several seconds of pulling a hill at moderate throttle, found the pressure would drop off slowly. Started at about 38 ...
1993 BMW 325is 2.5L Hesitation, Surge, Sluggish acceleratio VIN: WBABF4318P
customer did not want to put any serious money in the car. I wanted to start with changing the knock sensors. he declined. I wanted to lean towards the vanos having an issue because if you floored it once you hit about 3500rpm the vehicle took off like a bat o... Trouble codes: 069 (Knock sensor 2), 013 (Oxygen sensor), 201 (Oxygen sensor control).
1999 BMW 528i 2.8L Unknown VIN: WBADM6334X
Thank You Guys, I appreciate you taking the time to reply. The noise was coming from the tensioner. We already replaced the pulley on it so I found it unlikely the noise was coming from it. Came in this morning and put on the assembly. So it was indeed the spr...
2001 BMW 330Ci 3.0L turn signals VIN: WBABS53411
thank you all for your help and advise, ended up that the general module was at fault but the customer decided not to fix the car and sell it..thank you all again
2004 Buick LeSabre Custom 3.8L Starter VIN: 1G4HP54K74
Many thanks to all of you for jumping in to help out. I have solved this mystery and must admit to having a little egg on my face. After stating that there was no aftermarket anti-theft, I discovered I was wrong. There was a relay powered kill switch buried up...
1990 Chevrolet V1500 Suburban Scottsdale 5.7L Poor Idle Quality, Stall
What a learning experience for these old brain cells. After a week of working on this around other jobs I finally got it. Dan from Texas was spot on, The pick-up coil A/C voltage was only .3 volts and it needed .7 min. to do the job. I replaced the pick up coi...
1995 Chevrolet Corvette 5.7L oil leak VIN: 1G1YY22P1S
Thanks all, the trouble was installing the water pump drive seal without a seal protector, the seal turned inside out but...I did not want to spend $$$ for something I will most likely never use again. So... we found that if you take the water pump drive coupl...
2007 Chevrolet HHR LT 2.4L Ecm VIN: 3GNDA33P27
1995 Ford Ranger Splash 3.0L Poor Idle Quality, Hesitation, Stall VIN: 1FTCR10U3S
After reading several hints about EGR valve I plugged EGR opening with a "no hole gasket". Client is using car up to know without problem. Thank you
2003 Ford Ranger Edge 3.0L compressor clutch VIN: 1FTYR14V03
the truck has not been back since but I think it might be the wire between the ECM to the ac rely.
2008 Ford F-550 Super Duty XL 6.4L Reverse VIN: 1FDAF57R58
Our fleet truck is fixed and on the road before our local dealers could even look at it thanks to Alex, the only one to reply with tech help. Alex suggested to air test the reverse clutch piston. We did and it was leaking air badly at the recommended 40 psi ...
2009 Ford Fusion SEL 2.3L Steering VIN: 3FAHP08Z89
Thank you all for responding. We disconnected the tie rods and still had the feeling of binding. Checked the fluid and it was really black, flushed fluid, no help. We found a good deal on a used rack and pump. We started with the rack because it felt like it w...
2010 Ford F-150 XL 4.6L No Start VIN: 1FTEW1C82A
Dealer got another cluster and it programmed and started with no problem. One thing I would like to ask if any of you guys know. On the parameter reset the IDS stated that you have to cycle key on and off for parameter reset to occur on this late model tru...
2002 GMC Envoy SLE 4.2L ckp sensor VIN: 1GKDT13S02
Sorry to be so late in posting my plate got very full with other diagnostic issues, but the 02 Envoy thinks it is out of time. I am trying to upload some scope traces but my verus saves in a vss or vsm format only as soon as I can convert I will post it. I con...
2003 GMC Yukon XL 1500 Denali 6.0L abs VIN: 1GKFK66U33
Thanks for the info guys, we put the lines on and all was well.This is the first one I have seen with this set up, moral of the story, mark your lines and pay attention.
2002 Hummer H1 6.5L Stall VIN: 137FA84362
if looks like a duck walks like one sounds like one it probably is one. DRove 200 miles and got it to act up. everytime i wiggle pmd it would die. replaced it and done. new parts don't ass ume
2005 Mazda 6 i 2.3L charging system VIN: 1YVHP80C25
ok guys I want to thank everybody who provided help,1st the used alternator previously installed was also defective. we decided to get an alternator from the mazda dealership, and the story repeats itself just like some of the other technicans who had alternat...
2006 Mini Cooper S 1.6L Cooling Systems VIN: WMWRE33586
gears stripped in supercharger to water pump not turning
2001 Nissan Pathfinder LE 3.5L power window VIN: JN8DR09X11
After trying all suggestions to no avail.decided to send the customer to t5he dealer.Thanks for all help and to IATN.
2004 Nissan Maxima SL 3.5L No Start VIN: 1N4BA41E74
thanks for all the replies unfortunately the customer refuse to put any money into checking if the timing is out. He is considering putting a used engine in the vehicle.
2006 Pontiac Torrent 3.4L tailights,instrment panel lights VIN: 2CKDL73F36
Iím really sorry for not closing this post on time,I was waiting fro the customer to bring the vehicle back and didnt realize that its overdue to close,Yes the vehicle is fixed by replacing a fuse .this fuse box is located on the right front of the console.My ...
2000 Saturn LS2 3.0L Poor Idle Quality VIN: 1G8JW52R1Y
BIGGGGG thank you to Frank who had a great test procedure to help us out. Should print that for next one. Ended up being the throttle body. Replaced and reset and all is well. Thanks again for ALL of your help and time you took to respond!!! Trouble codes: P1510.
1994 Toyota Pickup 2.4L Stall VIN: 4TARN81A7R
The truck is finally fixes. Thanks to all members who offer help my post. After I post for help, I recheck the fuel pressure again, because the new fuel pump is making thumping noise, and also the fuel filter as well, so I install two pressure gauges, one on t... Trouble codes: 25 (Air fuel ratio lean), 31 (Air flow meter circuit).
2003 Toyota Prius 1.5L inverter cooling pump VIN: JT2BK18U13
Thanks to all for the confirmation on the water pump problem. The new pump fixed it . Even though this c a r is older , it's the only hybrid I get in for service so I'm pretty careful about diagnosis on It.
2009 Toyota Avalon XLS 3.5L power trunk release VIN: 4T1BK36B49
A heartfelt thank you to those who replied, it was the disconnected valet switch in the glove box that caused this entire mess! Just goes to show, you are never too old to learn something new! Thanks again!!! Paul [...] County Auto
2009 Volkswagen Rabbit S 2.5L Engine VIN: WVWAB71K49
Received some interesting replies to my post. Contacted customer to return to shop. Customer has not returned as of yet. If customer returns I will add more onformation if it is relevant
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