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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for October 29, 2012
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Open Help Requests for All Makes and Models
Help Request Answers
1991 Acura Integra LS 1.8L Excessive Emissions, Cuts out, Stall VIN: JH4DA9397M
Have a problem with engine running rich and shutting down once it goes into closed loop. Once it dies and if the key is still on, the computer diagnostic light flashes rapidly and then main fuel relay triggers and floods the engine out firing the injectors wit... Trouble codes: 43 (Fuel Supply System)
2003 Audi A6 Quattro 4.2L Blower Motor VIN: WAUML64B43
Looking for a little direction on this one before I dig in. I have checked the codes and have a 01273 and 01592. Not really worried about the sensor now. The customer just wants the fan to blow. Is there a common problem for the 01273 code. I have power to the...
2003 Audi A4 Quattro 3.0L Misfire, MIL Lamp on VIN: WAULT68E63
Vehicle came in with complaint of MIL flashing and misfires felt. Did a little research and found numerous problems with the coils, they appeared original and so I replaced them with IDI coils. Plugs were NGK and looked good. Repaired some dubious looking vacu... Trouble codes: P0300, P3016
1997 BMW 318ti 1.9L runs rough at idle VIN: WBACG8324V
Hi Everyone. Thanks in advance for any information offered. Working on a '97 BMW 318Ti. Runs rough at idle. Codes all relate to lean. Currently smoke testing vac leaks. Found leaks on hoses to injectors. Temporarily plugged them off to check for other leaks a...
1997 BMW 318ti 1.9L MIL Lamp on VIN: WBACG8326V
older bmw dont have much info on it 121 code is in eng the 153 code is in trans. any old bmw guy that might steer me in the right direction thanks for your time Trouble codes: 121 (load detection), 153 (can end load signal)
1999 BMW 323i 2.5L Airbag VIN: WBAAM3338X
1999 323i E46. Came in for airbag light on.found faults listed. both fault frequencies are set at 49. tried to clear but unsuccessful.tried to recode but get same faults. order new module from dealer. coded. now has faults for all the airbags in car including ...
2000 BMW 740iL 4.4L seat VIN: WBAGH8345Y
Hello everyone, not much of a BMW guy. the customers battery went dead. now the AC does not work, the power seat, power steering column, or the power window are intermitten. the windshield wipers do work, but do not shut off without cycling the key off, then t...
2008 BMW M3 4.0L MIL Lamp on, Limp mode VIN: WBSVA93508
Pulled the code with launch tool but no detail information from mitchell how to properly check throttle body or air mass sensor. We checked for vacuum leak and checked the live data, seems all normal. I need help on how to check throttle body, is it possible t... Trouble codes: 2B15, 2B57, 2B5D
2006 Cadillac DTS 4.6L Unkown VIN: 1G6KD57966
I have a shudder/vibration type sensation under heavy acceleration.
1999 Chevrolet Malibu 2.4L Mechanical VIN: 1G1ND52T2X
Owner of vehicle said car stalled out and started acting funny after vehicle was re-started. It threw codes that prompted customer to replace TPS, crankshaft position sensor and fuel pressure regulator. He also installed new plugs and upstream oxygen sensor an...
2001 Chevrolet Malibu 3.1L radio/clock VIN: 1G1ND52J01
Of course, we cannot duplicate the problem as of yet, waiting to see if a code will set after problem occurs. The problem is the radio/clock come on by temselves with car locked and parked, until customer starts vehicle and shuts it off, then all is off until ...
2002 Chevrolet Malibu LS 3.1L Starting VIN: 1G1NE52J72
dose any one know how to by pass antitheft
2005 Chrysler Pacifica Touring 3.5L MIL Lamp on, VIN: 2C8GF68455
PLEASE READ "RELATED REPAIR HISTORY" SECTION BEFORE READING THIS! THANKS I am chasing this P0171 System lean code. Going off of the timeline stated above, the P0171 has been a problem since the EGR was replaced. The fuel pressure in this vehicle is 58-60 psi... Trouble codes: P0171
2002 Dodge Ram 2500 Van 5.2L No Start VIN: 2B4JB25YX2
this van was brought to us from another shop,it has a reman ecm in it from standard ignition,the van did start and run for a while,actually put around 50 miles on it,was going to return it and then it started running really rich,just after a 10 mile run.now va...
2001 Ford Escort ZX2 2.0L Poor Idle Quality, MIL Lamp on VIN: 3FAFP11311
Ok everyone, another lean code in a Ford and a 4 cyl. this time. Car runs good on road, maybe a very slight intermittent surge at cruise. Idle is erratic, not a single cylinder skip but just erratic. Not really consistent and is worse at times but never really... Trouble codes: P0171 (System lean HO2S11)
2004 Ford Expedition XLT 5.4L Vacuum VIN: 1FMPU16L24
Has anyone had to replace vacuum harness on top of heater case? the black and white lines cannot be reached, can the recirc door housing be removed from the top of the heater case while its still in the vehicle. The problem seems to be the hot water valve vac ...
2004 Ford F-150 FX4 5.4L No Start VIN: 1FTPX14584
I have this 04 F150 customer stated it had been idling poor and would die . Now towed in no start. The fuel injectors will all pulse at the same time and also the fuel pressure gauge jumps each time the injectors fire. Scanner shows no codes and no cam sensor ...
2005 Ford E-450 Super Duty 6.0L Stall
wanted to throw out a line before FICM purchase the icp presure is low, did jump to 1450 w/icp unpluged Trouble codes: P0611, P2617
2006 Ford F-350 Super Duty XLT 6.0L Misfire VIN: 1FTWW31P26
This 05 PSD 6.0 has an unusual thumping, poping or barking out inlet ducting at idle. It is much more noticable with inlet duct off manifold elbow (straight from manifold) the noise makes me think inlet valve not sealing. I have an IDS and have performed injec... Trouble codes: P0275
2007 Ford Explorer Sport Trac Limited 4.6L Tcm VIN: 1FMEU53807
Have codes U0101(lost com with TCM) U1900 (can bus fault) P1867(transfercase contact plate failure) they were cleared and repeat on cold start before vehicle moves right when it is started. Seems like a programming fault.Has anyone repaired this and what did y...
2002 GMC Envoy SLE 4.2L Warnig Lamp VIN: 1GKDT13S52
Abs and brake light came on after repair to tranfer case. Lights on switch work normally as does the transfercase. Check all fuses to abs. Unable to communicate with 3 different tools. The bosch techii gives error message "cannot communicate with abs until tra...
2008 GMC Acadia SLT 3.6L ves VIN: 1GKEV33748
Vehicle came in with a complaint of stiff steering on a decel while turning. checked with tech 2 scanner in the EBCM and found no codes. went into VES system and can command the amperage from .00 to .99 the system responds correctly. While test driving noticed...
2005 Hyundai Santa Fe GL 2.4L stalling VIN: KM8SB12BX5
the suv was brought in for a small oil leak coming from the front crank seal,replaced that and did a timing belt kit at the same time.one week went by approx: 1500 km's and the customer can back in complaining of a rough idle and stalling when cold scan the ca...
2011 Land Rover LR2 HSE 3.2L Air Suspension
I have this land rover for maryland state inspection. I have been dealing with toyotas for almost 4 years now and the information we have is limited to toyotas only. Could some tell me how can i turn of the air suspension on this car or i can just raise the ca...
2001 Mercedes-Benz SLK230 Kompressor 2.3L MIL Lamp on VIN: WDBKK49F71
This vehicle arrived at our shop with the complaint of inop speedo and multiple warning lights. The ABS, ESP, Brake, Brake Pad Warning, and Check Engine light are all on. The speedometer is inop, and the vehicle fails to shift out of 1st gear. I have read many... Trouble codes: P200F, P202B, P2027 (CAN Message missing from N47-5)
2011 Mercedes-Benz E550 5.5L convertible top VIN: WDDKK7CFXB
hello iatn members,anyone out there familiar with mercedes benz convertible top. the car came in with the rear trunk and bumper dameged due to an accident. we have repaired body damege but srs system malfunction indicator light is on. pull the code and found i...
2009 Mini Cooper 1.6L Airbag VIN: WMWMF33529
Thanks to all who offer help. We have a Cooper with the airbag warning lamp on as soon as the key is inserted. Sets code 93D7. Checked right seat occupancy sensor per advise from another facility. Checked and installed in another Cooper with no issues. Checked...
2009 Mini Cooper S 1.6L Convertible top light VIN: WMWMR33509
Hello everyone and thanks for the help on this one. I have this 09 Mini cooper convertible in that is having a convertible top issue. When you put the top all the way down, the light on the overhead console continues to flash and if you drive it lets out the w...
1996 Oldsmobile Cutlass Supreme SL 3.1L Unknown VIN: 1G3WH52M7T
I have this shop loaner car that the trans is on it's last leg with gobs of miles. Was wondering if a trans from a 95 Grand Prix that we junked would work? The interchange web-sites say 96 & 97 are the same and 94 & 95 are the same. So I was wondering if someo...
1981 Rolls Royce Silver Spur 6.7L No Start VIN: SCAZN42A1B
hello everyone, i have this rolls royce here, and am by no means a rolls royce tech. car came in for a no start. pulled spark plug and checked for spark. no spark.hooked up scope to coil wire for giggles and saw it had like one kv. checked for pulse at the co...
1994 Toyota Pickup SR5 3.0L Idle VIN: JT4VN13G5R
This toyota will not start very well unless throttle is opened a bit and will not idle properly, sometimes low, sometimes not at all, has had new PCM, and new VAF sensor installed, Scanner data shows nothing out of the ordinary and no codes, Also when it is id...
1996 Toyota Camry LE 3.0L J1850vpw VIN: 4T1SK12J4R
Vehicle is failing emission test soley due to no communication with test lanes equipment. All monitors are set to ready and has no codes. Will communicate with snap on and mastertechs in generic mode every time. Communicates on pin 2 with j1850 vpw protocol. I...
2001 Volkswagen Passat GLX 2.8L Surge, Cuts out VIN: WVWBH63B01
This particular vehicle chuggs/surges/bucks when turning right while accelerating. Never straight or left. We do not currently possess a VW factory scan tool. The exhaust repair will most likely solve the P0421,P0431, and P1176 codes (unless cat is damaged), o... Trouble codes: P0421, P0431, P1176, P1633
1998 Volvo V70 GLT 2.4L ecu VIN: YV1LW5642W
Hi Guys this car came in barely running. Would die as soon as put into gear. I hooked up the launch and everything looked normal until it died and the launch lost communication as soon as it died. It does this every time. It also did this with the torque OBD2...
2004 Volvo S60 2.4 2.4L fuel door lock VIN: YV1RS64A94
Hello all you Volvo techs, I just wanted to thank you n advance, we have a 2004 s60, as you know on these cars when the doors are locked the fuel lid also locks and when the doors are unlocked the fuel door unlocks as well. On this particular vehicle it is non...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2007 Audi A6 3.2L MIL Lamp on VIN: WAUAH74F27
Just wanted to say a special thank you to micheal, he was spot one. I found a broken vacuum line running down the front of the engine. Light went of right away and I have put about 30 miles on the car with no codes. Thxs IATN you guys did it again Trouble codes: P2070 (Intake manifold tuning imt valve stuck open).
2003 Chevrolet Monte Carlo SS 3.8L defrost VIN: 2G1WX12KX3
We'll call this fixed,as the operation of this system is working normally.Customer thought it blew harder out defrost on cold. Thanks again for the replies...Charlie
2004 Chevrolet Express 3500 6.0L not tps signal VIN: 1GCHG39U74
Im happy to say that i was able to duplicate the transmission problem we had to drive the vehicle for over 40 minutes. One of the techs that lives an hour away was the lucky to drive it. After 40 minutes of driving we loose reverse and it started to slip, acco...
2005 Chevrolet Trailblazer LS 4.2L MIL Lamp on VIN: 1GNDT13S15
Got this one whooped guys, My hunch of the VVT actuator on the exhuast cam being bad was correct. Replaced it and did the CKP relearn and ran great.. Im not sure what caused this, like I said all the screens were present in the solenoid. I never suspected this... Trouble codes: P0014.
2006 Chevrolet Tahoe Z71 5.3L Mechanical VIN: 1GNEC13Z46
Well, the customer came and got the truck. He is remodeling his house and is tapped of funds for now. He will bring it back in a couple of months. We are pretty sure it is the cam. We will post an update when we get it done. It for sure is not the flywhee...
2007 Chevrolet Silverado 1500 Classic LT 5.3L not able to select 4wd VIN: 2GCEK13Z77
Many thanks for all the help. It turns out that this vehicle was a recovered theft and has a mix matched ecu. Vin in the ecu is not the vin of the vehicle. I got that sorted out and now I have service 4wd coming up and have ordered a new transfer case module. ...
2010 Dodge Avenger SXT 2.4L Cruise Control VIN: 1B3CC4FB1A
Thanks guys. it was the switch. pulled airbag off checked it out, it had kinda come apart. pretty cheaply priced part to. thanks
2005 Ford Five Hundred Limited 3.0L Surge VIN: 1FAFP28155
Taking vehicle to the dealer for the reflash seems to have done the trick. Altho the customer had to drive it for several hundred miles for the reflash to fully take care of the problem.
2008 Ford F-350 Super Duty XL 6.4L egr coolers VIN: 1FTWW31R38
well got truck put back together, sorry for the delay. the heads were warped but still in spec with being planed. New headgaskets and warped heads were the problem thanks for all the replies. they were much appreciated.
2007 Infiniti G35 X 3.5L Poor Idle Quality VIN: JNKBV61F67
ok lesson learned on this one the hard way. never ever open the throttle body and clean one of these. if you open it up it messes up the calibration of the idle speed if the idle speed is out of range it will never go into relearn. Makes alot of since i know. ... Trouble codes: P0507.
1996 Jaguar XJS 2 2 4.0L ABS Light VIN: SAJNX2741T
Well as many of you have said. The answer was in the codes. After driving 2 hrs to get to the dealer it was a c1095 pump motor failure. I put 12V to the motor and it hesitated for a second. Then ran OK. Went out for a drive and problem solved. I suspect the hi...
2002 Jeep Liberty Sport 3.7L Engine VIN: 1J4GL48KX2
Hi everyone, This vehicle got new spark plugs put in it, I didn't close this on right away because wanted to see if problem would come back, So far we are good to go, no light and no missfire. Should it come back on down the road then I will be checking the va...
2005 Jeep Grand Cherokee Laredo 4.7L Unknown VIN: 1J4HR48NX5
this was a first. when i dropped the pan the main filter was obviously split. i installed both filters and reinstalled the pan and vehicle was good. Thanks for your replies
2005 Lincoln LS Luxury 3.0L Poor Idle Quality, Hesitation, Surge, Cuts out, Stall, Misfire, MIL Lamp on VIN: 1LNHM86S45
this paticular customer had procured an insurance/warranty policy after the problem had occured and was trying to "work" the insurance company to get them to pay... it didn't work. these people are not stupid. he also didn't have the money himself to proceed w... Trouble codes: P2104, P457P, B2879, B1503, U1262.
2000 Mazda Millenia Millennium Edition 2.3L No Start, Stall VIN: JM1TA2228Y
Thank you George for informing me about the Denso pump from world pac. a hour after reading your post I had recieced the denso pump and installed it and car is still running great. thanks everyone for your help. Im guessing that the airtek pumps can't handl...
1999 Oldsmobile Aurora 4.0L timing chain VIN: 1G3GR62C4X
I apologize for being maybe a little over the top in the first graph of my original request. I thank everyone who replied, your input was professional and very, very helpful. What made your info so helpful was you confirmed my fears about this job, givin...
2000 Oldsmobile Intrigue GL 3.5L No Start
i went over to check car this weekend and found that the electrical part of the ignitiopn switch was bad.thanks to everyone that replied
2003 Porsche Boxster Roadster S 3.2L check engine light VIN: WP0CB29873
Well, I cleaned the terminals and cleared trans faults, reset all monitors and gave the car back to the customer. The secretary did the call back Friday. I think the car is ok.
2006 Subaru Forester X 2.5L Engine VIN: JF1SG63606
A couple replies to check the timing belt tensioner and one to do a decarbon service. This sounded like piston noise on the left side and replies were overwhelimingly pointing towards that original diagnosis. I knew of problem with piston slap when cold on the...
2003 Toyota Camry LE 3.0L 2-3 shift VIN: 4T1BF30K63
Thanks for all the help. we have not repaired the car yet we are still waiting on the customers approval to purchase a pcm. when we get the car repaired i will post the fix thanks again for all the help
1999 Volkswagen Beetle GLS 2.0L engine cooling fans VIN: 3VWCC21C0X
Hello to all the Grey-hairs who responded There were 2 basic problems: 1) both low speed fans were inoperative due to open resistors 2) Main (left) fan was drawing 35 amps when operating When you let the engine run to the point where the first fan speed ...
2001 Volkswagen Passat GLS 1.8L Cam adjuster VIN: WVWAC63BX1
From all the tests I ran, I never would have expected it, but the power supply relay near the ECM was the problem. The T30 solder joint in the relay that comes from the main power supply (501) was burned. Once the relay energizes, power is then delivered to 3 ...
2003 Volkswagen Jetta TDI 1.9L glow plug VIN: 3VWRP69M23
I have replaced all glow plugs with factory parts.It got cold enough to activate glow plugs for more than a split second and it starts without starting fluid,which I am aware is not good on the engine or glow plugs.Customer has been using it,not me.I am takin...
2004 Volkswagen Passat GLX 2.8L No Start VIN: WVWRH63B94
Well, we didn't see any connections that weren't secure, so we pulled the dash and Lo and Behold, Robert had hit the nail on the head. The orange connector had come apart and was tucked back under the junction block out of sight. It was the third connector fro... Trouble codes: P1850 (Powertrain data bus missing message from ECU).
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