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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for July 14, 2014
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
1999 Audi A8 Quattro 4.2L shifting VIN: WAUBG34D7X
Hi, I just got this A8 in for a shifting problem. Customer states that the transmission shifts up too quickly in to top gear. I drove the car and has harsh shifting into 3rd 4th and 5th. Almost feels like it slips for a second during shifting. I got back to th...
2003 Audi A4 Cabriolet 1.8L Forward Clutch? VIN: WAUAC48H13
Hey all, this is the first time that we have seen this car. The customer has only owned the car for a couple years. The car has always had a slight judder when accelerating from a stop. A few months ago it developed a bad vibration and then would not accelerat...
2007 BMW 335i 3.0L phone conection VIN: WBAVB735X7
Hello Guys, got this 335i sedan 2007. the phone unpairs after reciving or making a call while talking. Then when you go into the idrive and try to repair or activate the screen the item is not selectable. you get to the screen but you cant click on it. if you ...
2002 Buick Rendezvous CX 3.4L ac pressures
another shop replaced AC compressor condenser receiver drier and evacuate it and charge system pressure on high side was low pressure on low side was normal I replaced expansion valve and high side pressure normal but now low side pressure low and go's into a ...
2005 Buick Rainier CXL Plus 5.3L air suspension VIN: 5GAET13M75
This vehicle was in a few weeks ago for another problem (was stuck in 4WD, had to replace transfer case shift motor. Transfer case is working fine now) and we heard the air suspension compressor in the rear running every few minutes. We told customer about com...
1993 Chevrolet Corsica LT 3.1L Air Bag Light VIN: 1G1LT53T9P
I have a air bag light that I can not turn off. There was about 12 codes stored in the module. I am able to clear all codes except the crash data 51 and 52. The vehicle has not been in an accident. I have found a used derm module for the air bag system. I woul...
2002 Chevrolet Tahoe LS 5.3L Poor Idle Quality, Misfire, Poor Fuel Economy, MIL Lamp on VIN: 1GNEK13Z72
Injectors are not at fault.This is a mechanical problem.Valve springs are not broken and valve travel is normal.Compression readings as follows:cyl1-dry 130psi wet 160psi 75psi running. cyl2-dry 125psi 145psi wet 75 running. cyl3-[...] 210psi wet [...]... Trouble codes: P0300, P0200
2006 Chevrolet Cobalt LS 2.2L cluster, warning lights VIN: 1G1AJ55F66
Hi. Intermitent problems are sometimes the worst cases to solve. The customer says that sometimes the warning lights lights on when starting engine. Supposed to be brake light and theft light, and may be others... few times later, the lights turns off and the ...
2012 Chevrolet Express 2500 6.0L No Start VIN: 1GCWGFCB7C
gotta 2012 van, no start, natural gas. no codes, fuel guage at half full. can start it with starting fluid in intake , never worked on a cng before , really don't no where to start, any input would be helpfull, thanks.
2006 Chrysler 300 2.7L steering
hi everyone... weather is too hot and it make life really difficult but we still need to live, anyway I have this chysler 300 the steering wheel control is not working at all like radio control and horn is not function...other stuff like signal , wiper and cru...
1988 Dodge D150 5.2L Poor Idle Quality, Surge VIN: 1B7HD14YXJ
Customer does his own (light) repair. Has new plugs, wires, cap, rotor. I removed all of them, inspected and regapped plugs to .035, they were at about .020. Verified firing order too. He had us replace his fuel filter the day before I got this truck. After my...
2003 Dodge Grand Caravan SE 3.3L Surge, Cuts out, Stall VIN: 2D4GP24363
Vehicle came in with cutting out symptom and ck eng lt on. Scan found 1391. Ckd circuits and found power wire to CMP cut and wires twisted together. Repaired wire, recheck, still had code. Scope saw some flaws, replaced sensor, recheck and code came back. I ch... Trouble codes: P1391 (Intermittent loss of CMP or CKP)
2008 Dodge Ram 1500 SXT 5.7L No Start, Stall VIN: 1D7HU18298
Hello fellow techs and thank you for taking the time to read my request. 5 weeks ago the customer drove the truck in with a sever misfire condition. I checked the truck out and found the fuel injector was not firing because it was not receiving signal from the... Trouble codes: U0100 (Lost communication with the pcm)
2009 Dodge Charger SE 2.7L No Start VIN: 2B3KA43D69
car came in with no start
1987 Ford F-150 Custom 5.0L No Start, Cuts out VIN: 1FTEF14N3H
Hello guys so I had this truck in a week or so ago in the for fuel problem. Fix that now customers back trucks back fireing lost of powerran test codes its hard to start if I pump the gas truck will star and runs ruff this truck has the qireing ... Trouble codes: 12 (16 -), 16 (25 -), 25 (23 -), 23
1989 Ford F-350 XL 7.3L No Start VIN: 2FDLF47M2K
Hello Everyone, I was hoping someone can point us in the right direction. We have a 7.3L that does not start after hot soak for 15-30 minutes after shutting engine off. The wait to start light does not come on when it doesn't start. Once you let the engine coo...
2000 Ford Taurus SE 2-Valve 3.0L No Crank VIN: 1FAFP5525Y
Hi; I got this Taurus in for a No Crank- No Start. Customer had it at a couple of other shops before it ended up to me. I attempted to scan computer but have "No Communications" with Engine Computer and Anti-theft Pats. I can communicate with the Airbag Syste...
2000 Ford Focus ZX3 2.0L Headgasket failure VIN: 3FAFP3135Y
I purchased this car for my daughter. She currently owns a 2000 Focus ZX3 which is a good running vehicle but the frame has become rusty to the point that I would feel best if she no longer drives it. This new vehicle has a very nice frame and body but has a...
2009 Ford Escape XLS 2.5L Hesitation, Poor acceleration VIN: 1FMCU92789
Customer has a very well maintained 09 Escape. Has a sales job, and sometimes travels 30 to 50 miles between stops. Occasionally, after stopping at a stop sign, it will barely accelerate without feathering the throttle pedal for 10-15 seconds. MIL comes on but...
2007 GMC Yukon XL 1500 SLE 5.3L compressor VIN: 1GKFK16337
After the initial repair the system worked and acted naturally. Good cooling and good pressures. The truck came back last Wed. with the compressor now locked up and the belt burned off. I replaced the compressor for the 2nd time (these are new compressors)and ...
2007 GMC Yukon Denali 6.2L leftgate VIN: 1GKFK63827
this liftgate is not opening nor closing when the buttons are pressed. i tested the power liftgate motor it is working fine. you can hear the motor is atempting to to open but it stops. any help will e appreciated
1997 Honda Prelude 2.2L MIL Lamp on, buck VIN: JHMBB6148V
Whats up guys.I have this prelude that bucks when it gets up to temp intermitt. When i first looked at the car it had a set screw on the throtle missing. It is the mail mans truck and he has an extra engine at home with the missing screw. He also put an 8 doll...
2003 Honda Accord LX 2.4L engine VIN: 1HGCM56393
Came in with timing chain jumped,no compression,all valves bent-machine shop called and said excessive coking in head and asked if it was using oil-called owner-owner indicated that they had been adding oil between oil changes-engine was low on oil when we got...
2007 Honda CR-V EX 2.4L 2nd gear VIN: JHLRE48547
Honda transmission techs, please help. I have this 07 crv with 98k miles. The customer complains of a noise going uphill. The only time I can hear a noise, is in second gear between 3,000 and 3,400 rpm. It is a loud squeal that only lasts for 1-2 seconds. If y...
2002 Hyundai Elantra GLS 2.0L Lack of power VIN: KMHDN45D32
Checked timing marks on belt and they all line up. Vehicle has no power under load. Has a p0340 code replaced cam position sensor. no improvement in drivability. Trouble codes: P0340
2001 Jaguar XK8 4.0L starting VIN: SAJDA41C61
start, i check for codes and i got u1135 ignition status not obtained, and b1595 ignition switch illegal input code , however i haven't experienced any of this no start sympoms
2008 Jeep Grand Cherokee Laredo 3.0L MIL Lamp on VIN: 1J8HR48M18
Hopefully a Mercedes or Sprinter Tech can help out on this one. (same 0m642 engine series) Vehicle was sold as a trade in. (No past History Available). Replaced fuel filter first and re-road tested. (No change) Checked the inlet pressure (low at 40 psi)replace... Trouble codes: P0087 (Fuel rail pressure to low)
2003 Land Rover Discovery SE 4.6L MIL Lamp on VIN: SALTY16483
Help Land Rover Techs! this Discovery is setting the above codes- we cant find any issues- o2s are switching between .04 and .85- o2 sensors behind cats are steady at .45, fuel trim a and b .99, multi trim a and b .95 and .97 and idle trim a and b are at -1.98... Trouble codes: P0171, P0171, P0130, P0132, P0134
2005 Land Rover LR3 SE 4.4L Starter VIN: SALAD25475
While driving the door locks will cycle, the climate control drops out, then the radio/nav goes off. The hazard light begin to flash on the outside only. No indicator on the dash. The car will continue to run well and the charging voltage is at 13.95V. If you ...
2006 Mazda 3 S 2.3L Mechanical VIN: JM1BK12326
Just trying to replace cabin air filter. Alldata and Mitchell are pretty unclear where it is. We pulled passenger compartment fuse box, can not see panel for cabin air filter
2006 Mini Cooper S 1.6L 1-2 down shift VIN: WMWRE33506
car came in with harsh downshift without trouble code. we remove trans pan, there is no debris, no burnt trans fluid. is it valve body fault? it cost $1,900.00 for part. Anyone out there have any ideas as to what may be the problem?
2003 Pontiac Montana 3.4L Hesitation, Misfire VIN: 1GMDX03E53
Ok so here's the problem, this vehicle belongs to a friend of mine. He came up to me one day and tells me his van has a misfire, ok sounds easy enough. Put the scanner on and took a look, no fault codes found. Took it for a road test and it drove, perfect even...
2006 Saab 9-3 2.0T 2.0L starting VIN: YS3FD79Y96
upon further checking, we have found that when it wont crank, the starter relay is NOT being triggered by [PCM?].. The batt feed to relay is Good, The feed from relay to starter is good, and the power from Neutral switch to relay is OK- The GROUND for relay fr...
2006 Toyota Sequoia Limited 4.7L ride height VIN: 5TDBT48A96
Hi Toyota Techs. I,ve got an 06 sequoia with air suspension that intermittently drops ride height while driving to the point of making the ride quite harsh. The system has no codes and I can adjust the height with the control switch to the 3 positions of low-...
2008 Toyota Tundra SR5 5.7L Control Head VIN: 5TFEV54148
Vehicle has been sitting for several months. There AC/Heater control head seems to be dead. The fan doesn't come on, the AC portion of the control panel doesn't light up when pushed on. It doesn't have auto temp, it just has a red and blue setting on that port...
2009 Volkswagen Jetta Wolfsburg Edition 2.0L Bent Valves VIN: 3VWRJ71K09
Vehicle came in with the engine seized up due to the intake valves impacted against the pistons. The camshaft drive chain tensioner was way out - like the chain was very worn. Only 85 K miles on this car. Pulled the head to find all the exhaust valves just fin...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
1999 Acura TL 3.2L Stall VIN: 19UUA5641X
Sorry for the mix up everyone and to the people who responded that we didn't have any diagnostic info, well, if you read the request we were only trying to get some insight to the customer's problem and never saw the actual vehicle. Sorry for the mix up and t...
2002 Audi A6 Quattro Avant 3.0L Mechanical VIN: WAUVT64B42
The vibration at idle in gear we were chasing was not horrendous. We installed new Audi OE engine mounts. The vibration was still there. Discussed issue with customer. The vibration has been there since he bought the car a couple of years ago. He was happy...
2005 Audi A4 1.8L low boost
I called the customer and explained that we still have the problem with the boost fault code. I told that I was still working on it and that I am suspect of the turbo wastegate. We did do an oil change and brakes on the car also and he said that is all he can ...
2006 BMW M5 5.0L throttle actuator VIN: WBSNB93506
thanks guys, after I gave an estimate I never heard back. thanks for the info, yes it is 35 bmw units, I found out each unit equals 10 minutes.
2000 Buick LeSabre Limited 3.8L CV Joint VIN: 1G4HR54K3Y
2008 Chevrolet Uplander 3.9L Drivers side axle seal VIN: 1GBDV13148
Thank you for replies. Axle was replaced from accident and wrong one installed. New axle and seal and problem fixed. Customer had be going back and forth with body shop and finally was told of this. They had been dealing with body shop for 10 months.New axle...
2000 Chrysler Sebring JXi 2.5L Misfire, Chug/Bucks VIN: 3C3EL55H5Y
Well this one is fixed. We were able to duplicate the "chug" in the bay & with the pico hooked up & we noticed the cam signal dropping completely off this time. So we installed another distributor & all is well. Our 1st lab scope signal showed a definitive cra... Trouble codes: P1391 (Intermittent loss of cam/crank signal).
2007 Chrysler Pacifica Touring 4.0L programming failed VIN: 2A8GF68X07
Thanks for all the replies. We had a mobile guy come out and do the programing with the WiTech, went right through. He stated that he has seen a lot of problem with Chrysler and j2534 devices as Brian stated. These 07 Pacificas have apparantly been especialy ...
2010 Dodge Charger R/T 5.7L Engine VIN: 2B3AA4CTXA
I had several replies that leaned towards a mechanical problem in the valve train. I ran another compression test and noticed a difference in my readings. After taking the valve cover off, I could see that the rocker wasn't activating like the rest on cyl. #6...
1994 Ford Ranger STX 4.0L Excessive Emissions, Poor Idle Quality, Hesitation, Surge VIN: 1FTCR11X4R
this truck was not fixed i had rechecked timing as it seems to be a timing issue but timing is right on thanks for all replies help was appreicatied just one i couldnt' figure out customer decided to try different shop if they figure it out i will post the fix
2001 Ford Escape XLT 3.0L No Communications VIN: 1FMYU03191
Didn't find the cause or fix this 01 Ford Escape. Our Emission Program here is being updated with new machines from a company called OPUS. We took the vehicle to a station that is a pilot test station for the new emission machine and it communicated. We are wa...
1998 GMC Sonoma SL 4.3L engine VIN: 1GTCS14X9W
Replacing the injector assembly took alot of vibration 75% away,also the rear trans mount was like a balloon,replaced that and it smoothed out 98% .Last thing was the oil was overfull by 5 quarts,the Ford dealer forgot to drain the oil and just added more.Cha...
1997 Infiniti QX4 3.3L No Start VIN: JNRAR05Y7V
Thank you for all the help! It was a faulty ecm. I sent it back to the rebuilder and was told this time it was not repairable, that I needed a different unit. After another 2 week wait we got the second unit which worked properly. I will say I will be looki...
2008 Jeep Liberty Sport 3.7L Brake lights VIN: 1J8GN28K78
Thank you for all of the input. It was Friday and the customer picked up vehicle, before I could do any further diag, and said she would bring it back on Monday. She never did. Identifix recommended pulling the TIPM module and checking for corrosion or bad gr...
2003 Land Rover Range Rover HSE 4.4L Electronic VIN: SALMB11453
We pulled a/c control panel to inspect. All power and ground signals were good. We disassembled panel to see if we could see something wrong inside and found nothing obvious. We installed a used control panel and system is working good again. Thanks for the re...
1997 Lincoln Town Car Executive 4.6L compressor VIN: 1CNLM81W6V
thanks for all the help.found a broken wire near the high pressure switch all is well now.
1993 Mercedes-Benz 400SEL 4.2L No Start VIN: WDBGA43E9P
Group almost everyone said to check the cap and rotors. I inspected both and they had green corrosion in them. I cleaned them off and the vehicle started but had a miss so I replace both sides with new parts and the vehicle ran great. Thanks for all who replie...
2004 Nissan Maxima SL 3.5L Poor Idle Quality, Surge, Stall, Misfire, MIL Lamp on VIN: 1N4BA41E74
My apologies for not closing this sooner, customer wasn't sure what they were going to do. Clifford said noise is likely coming from top center chain tensioner, recommended chains, guides and tensioners. Michael agreed with him, suggested starting with a compr... Trouble codes: P1800 (Vias control solenoid), P0335, P1284 (Afs1 b2), P0021 (a cam position timing system performance).
2008 Pontiac G6 2.4L steering torque sensor VIN: 1G2ZG57B68
thanks to all who responded.It was the steering column.When I initially ordered parts through britain chevrolet they told me the torque sensor was serviced by replacing the motor.Luckily they took that part back because it was teir mistake.The torque sensor is...
1999 Suzuki Grand Vitara JLX 2.5L Mechanical VIN: JS3TD62V3X
Customer declined the fix, but there was some helpful information, unfortunately nothing cheap to do it.
2005 Toyota Prius 1.5L hv battery VIN: JTDKB20U95
Hi Techs, Thanks for all that responded either via IATN or per my request by phone. To summarize the fix for this, I am not 100% sure what the actual fix was. I think it was either connection at the HV battery or low voltage in the accessory battery. I at firs...
2007 Volkswagen Jetta 2.5 2.5L Mechanical VIN: 3VWPF71K27
Michale from Florida Explained how and when fans were enabled. and Rasoul from Texas was correct about the bad after market fans. Replaced fans with VW fans and now fans work as designed. However A/C still not cooling properly. While fan operate right, the co...
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