Join Now
International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for September 13, 2012
International Automotive Technicians' Network (iATN) - Members Only
(Also Available: All, Asian, Chrysler, European, Ford, GM.)
Vehicle Owners: If you are seeking an automotive repair professional to service your vehicle, visit the iATN Repair Shop Finder.

Open Help Requests for All Makes and Models
Help Request Answers
2005 Audi A8 Quattro L 4.2L MIL Lamp on VIN: WAUML44E55
Hello to all Audi techs,we have this 2005 A8 L quatro with P0171 and P0174 lean on both banks,plus P1136 and P1138 also lean codes respectively During smoke test we noticed smoke pouring out of air injection secondary valve(according to Mitchels that's what it... Trouble codes: P1136, P0171, P1138, P0174
2002 BMW X5 4.4i 4.4L Hydraulic Tappet VIN: 5UXFB33542
So I finished replacing the engine on my vehicle with a used engine and now I have no oil pressure on Bank 1 cylinder head. Also I'm getting a code 33 VANOS. Obviously I'll get this if there's no pressure. I am checking the pressure on the port just behind t...
2006 BMW X5 4.4i 4.4L airbag VIN: 5UXFB535X6
Hello BMW gurus. i have a x5 here that is really racking my brain. i replaced the seat occupancy squib like i have done before on other european cars and i cannot rid myself of this blasted code. i have checked all the wiring and fuses in the fuse box and the ...
2006 Cadillac STS 3.6L Stall VIN: 1G6DW67796
The customer says that this vehicle stalls intermittently at times. It always starts back up and runs fine. Sometimes it happens at a stop and other times it will happen while driving down the road. Hot or cold engine doesn't seem to be a factor. I can never g...
2005 Chevrolet Silverado 1500 LS 5.3L Seat heater VIN: 2GCEC13T15
Hi all thanks for your help... This truck has an issue , when you hit the button for the seat heater on the drivers side, the relay in the control module under the drivers seat clicks and the led lights on the button flash then shut off. Another shop had repla...
1996 Chrysler LHS 3.5L Misfire, MIL Lamp on VIN: 2C3HC56F3T
Car came in with P0300 found intake vacum leak,replaced gaskets miss gone and running good. Released to customer came back after 600 miles with same code, ST fuel trims running at plus, minus 2% LT trem left bank plus minus 2% RB at minus 21. Found bank1 senso... Trouble codes: P0300 (random miss)
2006 Chrysler Town & Country (Van) Limited 3.8L ABS light VIN: 2A8GP5ALX6
ABS light is on, retrieved 2 codes with OTC Genysis, 1st code is "Left Side Satellite Acceleration Sensor{SAS} #2 Loss of Communication". 2nd code, is "Left Side Acceleration Sensor{SAS} #2 Internal Diagnostic Code". My service info does not refer to anything ...
1999 Dodge Ram 3500 Van 5.9L Alternator VIN: 2B7LB31Z5X
I have a dodge b3500 van that was towed in for a no start found the battery was dead. Charge battey check charging system and found that the alt. Not charging check for field volt from pcm to alt. There's no signal from the pcm. The pcm is the regulator for th...
2000 Dodge Intrepid 2.7L Mechanical VIN: 2B3HD46R1Y
This 2.7 is noisy, can i replace the timing chain tensioner without taking everything apart. It sounds like timing chain its worse when hot and if i rev up the engine it will go away at times, until i start it after sitting again. I have 10 to 13 psi oil press...
1998 Ford Explorer Eddie Bauer 4.0L No Start, Cuts out, Stall VIN: 1FMZU32E4W
this truck came in on a hook with a no start.checked fireing no fire checked fuses replaced crank pos. still no change.took it to the ford dealer thay repro the comp&keys it cranked up and ran thay said for a few min then cut off but cranked back up thay wante...
2001 Ford Excursion Limited 6.8L steering drift VIN: 1FMNU43S11
I need help with this one. The problem is steering wandering which is worse at hyway speeds, especially with small wash board or bumps. Its bad enough where I don't feel safe driving this monster at 50 plus. The customer thinks the problem appeared several mon...
2003 Ford Ranger XL 2.3L delay in reverse VIN: 1FTYR10D63
When I move transm lever from drive to reverse there is a 3 or 4 second delay before vehicle backs up. Transmission other wise shifts and acts fine. Fluid smells OK. The transmission is either a 5R44E or 5R55E I don't know my transmissions that well. Any help ...
2006 Ford Fusion SEL 2.3L Hesitation, MIL Lamp on VIN: 3FAHP08Z16
Hi Group, Have this Fusion that has 3 codes for the secondary air injection system,have looked in archives, but found nothing,dealer does not know what I am talking about with the sec. air inj. system. Could this be the air pump under the engine? Or maybe a re... Trouble codes: P0410 (Secondary air inj.), P0491 (Sec. air inj.insufficient flow bank 1), P2258 (Sec.air control A circuit high)
2008 Ford Ranger XLT 3.0L Accessories VIN: 1FTYR44U48
Have a cruise control that will not work after cust installed a trailer brake.Removed trailer brake and replaced brake switch cust had damaged.When tracing the schematic it shows a fine resistor in the body control module on the cruois circuit.I was unable to ...
2001 GMC Jimmy SLS 4.3L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1GKCT18W61
guy who owns tha property here bought this car for his daughter. car comes in exhaust leak, bad ball joints, engine light non operational, only 2 monitors set and already had a random misfire code. told him its a lemon take it bac he says he cnt so he does the... Trouble codes: P0300
2006 GMC Sierra 2500 HD SLT 6.0L Engine VIN: 1GTHK29U66
Ok, heres a 2006 GMC 2500 HD, 6.0 gas 4l80E trans. It has a ticking noise from the engine area. I pulled the flexplate and checked for cracks,per TSB 210-10-27, none found, checked the balancer and bolt for damage or looseness after talking to tech line, found...
1997 Honda Odyssey LX 2.2L rack and pinion VIN: JHMRA1866V
This Honda makes a snapping noise when turning the wheel in either direction, with or with out engine running. I believe the noise is coming from the rack but never heard a rack make a snapping noise like this. I have disconnected the tie rods and move the w...
2006 Hummer H3 3.5L Battery Drain VIN: 5GTDN13646
Came in for battery drain. No codes but scan data for the bcm doesnt go to sleep after key is removed. Windows still operate with key out and door open and all scan data is present for bcm at all times. Any input on this one would be greatly appreciated!
2000 Infiniti G20 2.0L Poor Idle Quality, Stall VIN: JNKCP11A8Y
Customer complaint: Dies at stops. Vehicle came in with a defective MAF sensor and MAF code. we had put one on in April and it was outputting 5v even with engine not running. After repair (with NAPA warranty part) voltage was 1.3v at idle and goes up with rpm... Trouble codes: P0171
2006 Jeep Grand Cherokee Laredo 3.7L Fuel Pump VIN: 1J4GR48KX6
Customer Concern of Crank, No start. KOEO, cannot hear initial pump prime. Vehicle "runs" on start Fluid Relay Jumpered/bypassed for fuel pump - Pump does not run Relay has power. When the IPM box (forward fuse/relay panel between battery and second fuse box)...
1991 Lexus LS400 4.0L Hesitation VIN: JT8UF11E7M
This car has low fuel pressure (26 psi unregulated) spec is min. 38 unregulated. We put in a new fuel pump and it is the same. The car idles fine, as soon as you accelerate it bogs down and cannot be revved. I popped the cap off of the fuel pump relay, from wh...
1995 Mazda 626 DX 2.0L Gas odor VIN: 1YVGE22C5S
Car has intermittent odor of gasoline. When you first get in it in the morning,there is no smell. Drive it to a store and get back in it,there can be a strong raw gas smell,intermittently. Cannot find anything obvious. I would think if a gas tank seal is bad, ...
1995 Mercedes-Benz S600 6.0L ADS Suspention VIN: WDBGA57E9S
Hello fellow Mercedes techs, Let me start by first thanking everyone who takes the time out of their busy day to read this post. I am dealing with the worst MB they ever made. This S600 came in with the ADS light on,the ASR light on and the Engine MIL Light o...
2003 Mercedes-Benz C240 4Matic 2.6L brake pads VIN: WDBRF61JX3
I believe I have a brake booster problem but I want to be sure as it is a costly repair. The wheels on this car spin freely with the engine off but as soon as you start the car all four wheels lock up with brakes fully applied and the rear brake lights come on...
1999 Oldsmobile Alero GLS 3.4L lifters VIN: 1G3NF52E4X
Hey guys Im a little ashamed asking about this that I should know how to.I did a head job on this car because it overheated and lost compression.put it back together and know the lifters nock real bad and I get po300 engine runnig rough, Im almost certain that...
2002 Pontiac Grand Prix SE 3.1L Cooling Systems VIN: 1G2WK52J32
a little help on one, have a grand prix that will show scanner temp at normal readings. cooling fan working and car is not over heating. (no codes) temp gauge on dash is 30 deg hotter and is max out when car is up to temp. car has had may parts installed to fi...
2003 Pontiac Montana 3.4L Starting VIN: 1GMDX13E03
Hello all, this van has me stumped but it seems so easy don't know what I'm missing.It was towed in as no start and when it got here it would just click at starter eather once or more like low voltage. We put a battery charger on it and it started so we left t...
2004 Pontiac Grand Prix GT1 3.8L misc body VIN: 2G2WP52204
Car was bruoght in from body shop. After being lightly damaged in left front nothing works. No crank,windows,radio,etc. Scan for data cannot communicate with BCM. Followed diagnostics and thought I had a bad BCM. Got a remanufactured BCM from GM and called our...
2005 Subaru Legacy GT Limited 2.5L Valve clearance VIN: 4S3BL67625
The Alldata says the valve clearance is to be set at: Intake = .0012-.0022 Exhaust = .0016-.0026 I can hardly believe these clearances! These seem to tight! I am rebuilding this engine now and the machine shop cut the valve seats to far, but I can cut the ins...
1993 Toyota Corolla DX 1.8L transmission VIN: JT2AE09W2P
First off thanks for any help up front. This is embarassing but as a 30 year toyota master tech I have over hauled several of these transmissions in the past, its been along time i will admitt. I removed this trans and installed all new bearings and sycros wit...
2007 Volkswagen Passat 2.0T 2.0L Windshield Wipers VIN: WVWTK93C77
Hello fellow techs! Hopefully there are some experienced VW techs out there that can help me with this headache that I have. I have a 2007 Passat Wagon that the front wipers & washer don't work, however the rear wiper & washer work just fine. The scanner I hav...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2001 Buick Century Limited 3.1L IP cluster
Sorry for the late fix customer needed time to raise the money. Replaced the IP and all was right again Thanks all for the help
2005 Cadillac CTS V 5.7L Mechanical VIN: 1G6DN56S05
1988 Chevrolet P30 Step-Van 7.4L Charging VIN: 1GBKP37W3J
Thanks to all that replied. I never did find the box some were talking about, but after looking over the wiring in the box under the hood, and tracing battery cables back to their batteries, I found that by grounding one of the terminals on the smaller soleno...
1998 Chevrolet C2500 Cheyenne 6.5L Stall VIN: 1GCGC29F3W
Thanks for the advise I found a used chip and did the relocation kit.
2003 Chevrolet Silverado 2500 HD 6.6L No Start VIN: 1GCHK23163
I got alot of great help on this one thanks guys the problem is i cant get it to do it agin so I can do some of the test that were sugested so I returned it to the customer for now thanks agin to all Arren
2004 Chrysler Pacifica 3.5L Stall, Misfire, MIL Lamp on VIN: 2C8GM68444
My fellow knuckle busters especially Dave [...] give thanks for your time I know were all very busy but I was able to fix this vehicle with the direction given to me and I saved a heck of alot of time after a little more looking around the ground wire located at t... Trouble codes: P0355, P0354, P0206, P0404.
1992 Dodge D150 5.2L iac, tps map, sensor VIN: 1B7HE16Y5N
ok fellow iatners heres the fix, unfortunately i had to find another computer (6th computer), but this time it was a factory one from a junk yard. once that was installed, map sensor high voltage and iac high voltage went away. (yah, but what about the tps). ...
2002 Dodge Intrepid SE 2.7L shift solenoid pack VIN: 2B3HD46R82
After the 4Th valve body it looks like we have a working unit. I know that the solenoid pack's are usually the problem for the P1776 codes, I originally replace the valve body assembly because of the mileage & their issues with worn valve's. I didn't count on...
2004 Dodge Ram 3500 Truck ST 5.9L ABS Module VIN: 3D7MA48C24
Thanks for all of your help... I did a couple of more tests after pulling the controller partion of the module and confirmed the failure. We sent it off to our normal control module repair place for repair.
2006 Dodge Sprinter 3500 2.7L converter? VIN: WDXPD94476
replace trans and vehical worked correctly. thanks for all the help
2004 Ford Taurus SE 3.0L MIL Lamp on VIN: 1FAFP532X4
well tha car is one of r good customers so i did a little research found that it was a faulty sensor in tha tank. he had jus had it done about a year ago at a dealer that had closed so really wasnt tryin to put tha money in this car at tha time. so i had him k... Trouble codes: P0462.
2001 Honda Odyssey LX 3.5L Instrument Cluster VIN: 2HKRL18571
Even though the alternator was showing a good charging voltage at 13.5 volts, it could not keep up when the front and rear blower motors were turned on to the higher speeds. I ended replacing the alternator and rechecked the Charging voltage. It stayed constan...
2000 Kia Sportage 2.0L No Start VIN: KNDJB7235Y
Well richard from California hit the nail on the head. It was the crank sensor! Thanks to all whom rtesponded! Had allready checked most all of what was suggested, and I had no wiring diagram to go by. Thanks again
2000 Lincoln Continental 4.6L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1LNHM97V8Y
First off, thank you for all the replies. We turned direction and focused on the misfire first. The #5 injector bench tested ok and would work intermittently in the vehicle. We hooked up the noid light and it showed that it was functioning. We used a test ... Trouble codes: P0174, P1151, P0305.
2002 Mercedes-Benz S430 4.3L Airmatic VIN: WDBNG70J52
Thanks for all the replies. The customer is still saving her pennies for the repair. I received some good suggestions and Norman from across the pond e-mailed me some PDF's. One suggestion was to put the car up briefly as a leak in the bellows is worse when ex...
2002 Mercedes-Benz CLK430 4.3L Improper Operation VIN: WDBLK70G32
Thanks to those that responded. All the info. I have gone over suggested that one of the many switches was faulty. The scan tool was not showing a open or close with top operation, the switch was removed and tested with a ohm meter and was functioning properly...
2001 Mercury Sable LS Premium 3.0L MIL Lamp on VIN: 1MEFM55S51
The customer decided to take this to the dealer, so I never got a chance to diagnose it further since I posted. You can't win them all. Thanks so much for the help everyone, it will help on the next one. Trouble codes: P0171 (System lean Bank 1), P0174 (System lean Bank 2).
1974 Pontiac Firebird Trans Am 6.6L tach VIN: 2V87Y4N116
I have fixed the car. As everyone said the tach gets it signal from the negitive side of the coil. Wel there was only 1 wire there and it went to the point. Dale said it was a seperate harness and it was but was wraped up in the main harness under dash. The pi...
2000 Pontiac Bonneville SE 3.8L No Start, MIL Lamp on VIN: 1G2HX54K8Y
Worked on this old ride for 2 1/2 days. Finally got fed up with stalling and running rough, started tapping on modules and wiggling every harness. Every time I tapped on theft module it would start to duplicate the symptoms. but also when i tapped by or on the... Trouble codes: P1626 (Theft Deterrent Fuel Enable Signal Lost).
2003 Saab 9-3 Arc 2.0L Glass VIN: YS3FD49Y83
The windshield was replaced. Solar Lamisafe AP Tech is the brand that was put on the car and the sensor now works. FIJ Solar Tint is the brand that did not work.
2003 Saab 9-5 Arc 3.0L blower motor VIN: YS3ED49Z93
I put a second final stage unit in and all is fine. Thanks for all of the help. IATN rocks
2008 Smart Fortwo Passion Cabrio 1.0L MIL Lamp on VIN: WMEEK31X68
hey everyone thanks for your help i found a broken wire leading to the right front a.b.s. sensor.i dont know why it would affect the acceleration in park but it did Trouble codes: P2158 (Vehicle speed sensor b).
2001 Toyota Camry CE 2.2L Poor Idle Quality, Stall VIN: 4T1BG22K01
2003 Toyota Camry LE 3.0L ignition and fuel VIN: 4T1BF32K63
ok... This one is finally fixed. The reason I had so much trouble was wrong information. This vehicle can have 2 different immobilizer systems. The early system is just a Transponder Key amplifier and the PCM ( This is the system Alldata and my Locksmith/Mobil...
2007 Toyota Prius Touring 1.5L power train VIN: JTDKB20U97
This car went to the dealership. I haven't heard from the owner as of yet but I have heard from the dealership that the car got a hybred trans axle assembly which includes the generator/electric motor. The noise I found was loudest at what would serve as the...
Prev (Also Available: All, Asian, Chrysler, European, Ford, GM.) Next