Join Now
International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for April 17, 2010
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
2001 Audi S4 2.7L No Start VIN: WAURD68D81
Want to make sure I am on track here with this one. Don't just want to throw parts at it. Vehicle comes in on the hook with a crank no start. Well, battery is stone dead. Charge up battery and attempt to start vehicle. Verified crank, no start. Check for bas... Trouble codes: P0322
1990 BMW 535i 3.5L No Start VIN: WBAHD23134
Hello, I have a 90 BMW towed in as a crank/ no start. I have no spark or fuel pressure. I have checked all my fuses and all was good. I went to check my fuel pump relay and main power relay and did not see a ground from the MCU. I have solid power on both the ...
2001 Buick Regal GS 3.8L rack & pinion
#4 pump and #4 rack and pinion still hasn't solved this problem. Steering feels hard when turning, not easy like before replacing leaking rack. turns hard even when tie rod ends disconnected, have replaced strut bearings, done a alignment, replaced both return...
1998 Chevrolet Corvette 5.7L power steering VIN: 1G1YY32GBW
Hi fellow techs New customer refered by a friend. Came in with a bad belt noise, had another shop replace belt and tensioner,still a lot of noise. Checked out and found balancer wobbling bad. Replaced balancer as you know I had to remove rack. reinstalled ev...
1998 Chrysler Sebring LX 2.5L Surge, Cuts out, Misfire
This code could be either cam or crank sensor. No scope available. At idle, tach drops out when misfire occurs. At cruise, tach steady, even though it feels as if one or more cylinders are not firing, back off throttle and engine accelerates. I know crank sens... Trouble codes: P1391 (loss of cam/crank signal)
1998 Dodge Ram 1500 Truck 5.2L shift VIN: 1B7HF16Y1W
My 98 dodge ram is slipping/grinding all gears and does not seem to matter gear or speed,overdrive or not. i had a code a few months ago saying sensor overpressure and it went away. also i notice that lately when i use my cruise with overdrive on it will not k...
1996 Ford Aspire 1.3L MIL Lamp on VIN: KNJLT06H3T
Because there was communication with scanner before doing valve job, and only code p0301 was set, and after repairs no more communication with scaner, the computer was replace with a used unit, (because FORD discontinued this ECU), then I got communication wit... Trouble codes: P0470 (egr boost sensor failure)
2005 Hyundai Elantra GLS 2.0L Air Bag VIN: KMHDN46D75
Code B1448. Is there any way to be certain that the seat cushion sensor is the actual problem. I hate to invest close to $300.00 and find it was wrong.
2001 Jaguar XK8 4.0L Remote Keyless Entry VIN: SAJDA42C11
New (high maintenance) client with a Jag XK8. He is convinced the car needs a new computer due to the issues he has/has had. His 'computer' concerns were: fuel gauge irratic. Sometimes parasidic draw (after a week or so). Sometimes no power or response at all ...
2000 Nissan Maxima SE 3.0L MIL Lamp on VIN: JN1CA3LD2Y
Hi guys need help with this one.this 00 maxima 3.0 has a p1320.and the car runs great.the code comes right back after being cleared at start up.i haved used verus scope to check waveform of the crank sensor at the pcm. I even tried to wiggle the harness at all... Trouble codes: P1320
1998 Pontiac Sunfire SE 2.2L belt tensioner VIN: 1G2JB1248W
Trying to replace the serp belt tensioner. Loosened the bolt, it backs out against the body of the car. Do I need to remove motor mount and lower the engine? Any other ideas? The new tensioner comes with a bolt, held it up there, it is too long, just not enoug...
1988 Toyota Camry 2.0L Excessive Emissions VIN: JT2SV24E6J
hi, toyota tech need need. everything look normal. did i miss anything. may the water pump and the radiator not good which cause engine run with high NO? very appreciate for any advice. thanks
1997 Volkswagen Passat GLX 2.8L Starter VIN: WVWEE83A2V
VW techs: vehicle has P0705 in memory. Have no access to Vag-Com scanner to access TCM, just generic. Have traced all circuits for Trans range switch, and can find no reason for range to always be in Drive. When key first turned on, the display reads 'N', and ...
2001 Volvo V70 2.4L oil useage
this v70 is using way too much oil. no smoke though and no cel. any ideas (within reason) are appreciated.

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2002 BMW 745Li 4.4L No Start, Cuts out VIN: WBAGN63482
This is a difficult one especially we don't work on a lot of the 7 series. We synonize the ews signal, car still not able [...] start. Customer running out of patient because car has be sit in the lot for 5 days. Car went back [...] dealer and they replace some kind... Trouble codes: P0430 (catalyst effiency), P1720 (can - communication fault), C0AN, DME (ews 3.3 anti-tampering protection), SSFA (9673 ssfa open circuit seat occup), EGS (no brake light switch from engine managemnt).
1994 Buick LeSabre Custom 3.8L No Start VIN: 1G4HP52L0R
thanks for all the help i disconnected each module on the buss line when it acted up my 5 volt data line flat lined at 5 volts no sqaure wave the pcm was shorting the line out internal i must of looked at that pattern for a week be seeing it act up thanks agai...
2006 Cadillac DTS 4.6L MIL Lamp on VIN: 1G6KU57966
found problem to be with water intrusion, customer had just recently had a windshield installed and water was getting inot connectors. had a hard time finding cause due to everything felt dry, until carpet padding was lifted and was soaking wet. Trouble codes: P2138.
1997 Chevrolet C1500 Silverado 5.7L Cuts out VIN: 2GTEK19R2V
After geting several thoughts that it could be the injectors being in the wrong spot i did check to see if they were. i found that there was two that were switched. I made shure that all of them were numbered right and put the intake back together. test drove...
2005 Chevrolet Aveo LT 1.6L Poor Idle Quality, Surge, MIL Lamp on, Idle flactuates VIN: KL1TG52615
The fix is not a conventional fix. this is what I did improve 80% driveability to where vehicle would pass OBD-II drive cycle for a state inspection. I disregarded the timing marks on the cam sprocket; I set cams (180 on the cylinder #4 TDC on compre... Trouble codes: P0068 (Low Map Vacuum Signal), P0300 (Random Engine Cylinder Missfire), CY1#1, CY1#2, CY1#3, CY1#4.
2001 Chrysler 300M 3.5L valve timing VIN: 2LC5H38M51
TY from CT was spot on, One of the TC bolts was hitting the back of the block. Thanks to all who responded!!!
2005 Dodge Durango Limited 4.7L video VIN: 1D8HB58N05
Thanks for all the replies, we were able to try a video display from another customers vehicle (we have some very good customers). This display worked correctly, so we have the other one out for repair. Thanks to everyone who responded with the information we ...
2004 Ford F-150 FX4 5.4L MIL Lamp on VIN: 2FTRF18255
Thanks to those who responded to my request. Zaya had a great common sense approach of swapping the harness for the o2's side to side. (sometimes we get so wrapped up in this stuff we ignore a simpler aproach...thus iatn and the kind folks here help us re cent... Trouble codes: P2272 (B2S2 lean).
1996 Infiniti G20 2.0L Poor Idle Quality, Hesitation VIN: JNKCP01D6T
I wish that I fixed this vehicle but once the engine and trany mounts were replaced it still had the same concern. Things that I should have done was to try different gas, look at cam lobes, read vacuum, and oscilloscope the cam crank signals to see if the ... Trouble codes: P0325, P0731.
2001 Isuzu Rodeo LS 3.2L No Start VIN: 4S2CK58W51
thanks guys for the help it turned out to be wiring harrnes from alternator repair wiring on the back of alternator i know does not make any sense but it fixed the communication problem thank all said [...]
1996 Mercedes-Benz SL320 3.2L Stall, voltage at pcm VIN: WDBFA63F9T
This was a very interesting one. Most of you suggested the issue was either a Base module problem or an engine wiring harness problem. Turns out it was the Base module. The module for this car is only used on this model in this year. Car has been running o... Trouble codes: 110 (voltage threshold).
2000 Mercury Villager (Van) 3.3L LF brake VIN: 4M2XV14T8Y
I ordered and installed a second valve (pn# XF5Z-2K504-AA). The problem is now gone. It is rare to get a bum OE part , but it can happen. Who knows how long it has been laying on the shelf. It's frustrating to spend so much time on a basic hydraulic problem wi...
2003 Saab 9-3 Arc 2.0L MIL Lamp on VIN: YS3FB49S43
1999 Subaru Legacy L 2.2L MIL Lamp on VIN: 4S3BD4354X
Thank you for all the replies, replace purge control solenoid and oxygen sensor fix the problem. Have a good day everyone. Trouble codes: P0440.
2000 Toyota Avalon XLS 3.0L EFI relay VIN: 4T1BF28B1Y
sorry for the delay, this costomer works out of town and i only get about 1hr. a week with this car. this week costomer was a no show. i did find the intergration relay on the power distribution diagram and will check it the next time i see the car, i will als...
2003 Toyota Sequoia Limited 4.7L MIL Lamp on VIN: 5TDBT44A23
Hi everyone: Thanks to you all, I have fixed this vehicle. The issue was the B2S1. It had failed, set DTC p0051 and caused the trac/vsc light to come on. According to info from the replies, when there is an issue, MIL on due to a P code the VSC is disabled si... Trouble codes: P0051 (Bank2 S1), C1203 (engine control system/comunication), C1360 (Vehicle skid control pressuresensor).
Prev (Also Available: All, Asian, Chrysler, European, Ford, GM.) Next