× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for November 6, 2004
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 Buick Century Custom 3.1L subframe/body VIN: 2G4W552J31
I am posting this help request for a fellow tech. He is trying to locate the source of a light clunk/creak noise from the front suspension, during acceleration from a stop and some times when coming to a stop. he says it can be felt through the floor. Loading ...
1991 Chevrolet Camaro RS 5.0L Cuts out VIN: 1GMWE456H2
Hello all, I have a crusty old camaro in the shop with a fuel problem- customers complaint is that the vehicle will run for a few miles and then stall and will not restart until it cools down. The vehicle does not lose spark but does lose all fuel pressure. We...
1999 Dodge Dakota 5.2L Poor Idle Quality VIN: 1B7GG22YOX
guys i have this idle problem and looks like other techs have tried to fix problem, all tune-up and throttle cleaned out, fuel system carboned cleaned, engine idles around 1,000 rpm and also using 3 qts of oil between oil changes, check for vacuum leaks and fo...
1989 Ford Mustang GT 5.0L oil consumption VIN: 1FABP42EXK
This is not normaly the type of request i post, but was hoping some of the other high-performance/Racing gurus could lend a hand on this one. This is a customer who has dumped alot of cash in this mustang. They have a big following localy. (Mustangs that is......
1994 Ford E-150 Econoline 5.0L 2-3 shift VIN: 1FTEE14N2R
My shop does very little internal trans repairs. Trying to help out customer. Stuck in the middle now. Vehicle came in with no thir or fourth gear. Remove trans. Found Intermediate sprag fryed. Replace all clutchs and bands. Update Intermediate sprage to diode...
1996 GMC C1500 Sierra SL 4.3L Excessive Emissions, Poor Idle Quality, Hesitation, Misfire, Poor Fuel Economy, MIL Lamp on VIN: 2GTEC19W7T
Hi Pros! After R&R of intake manifold, this baby idles beautifully, but as soon as I rev the engine for a few seconds, it starts to over-fuel and cough and sputter. Horsepower down 50-60% under load. If I leave it alone for 2-3 minutes, idle smoothes right out... Trouble codes: P0300 (Random misfire detected)
1999 Lincoln Town Car Executive 4.6L engine VIN: 1L1FM81W2X
Hello fellow techs, I have this 99 town car with a strange squeek/chirp noise when the engine is first started cold. It only makes the noise for maybe 3 seconds, but it is loud and the customer is scared. It sounds to me like the noise is coming from the middl...
1994 Mazda MX-6 LS 2.5L No Start VIN: 1YVGE31D2R
i replaced the ignition coil but spark is still to weak to jump rotor gap let alone get down the wire and jump plug gap. i did try a new cap and rotor. Trouble codes: 02 (crank 1), 04 (crank 2)
1995 Mazda Millenia S 2.3L Cuts out VIN: JM1TA2220S
Hello Mazda techs: I will buy you lunch if you can solve this mystery, I promise!!! This car was towed in for a no start. Found timing belt had slipped due to a collapsed tensioner. Repaired that, and much to my dismay, upsold a valve cover gasket reseal :( fo...
1989 Mercedes-Benz 190E 2.6 2.6L No Start VIN: WDBDA29D5K
This car when its cold its hard starting, but when it reaches operating temperature it starts and runs fine.It takes about 1 minute to start. I checked the cold start injector. There seems to be no signal going to it. The only thing is i have no wiring diagram...
1998 Mercedes-Benz ML320 3.2L MIL Lamp on VIN: 4JGAB54E4W
I have a mercedes that is setting fuel trim codes p0170 and p0173. O2 sensor readings look normal and can't find any vac or intake leaks. Customer was told by dealer they needed a 800.00 mass air flow sensor but I haven't been able to verify this diagnosis. Ha... Trouble codes: P0170, P0173
1998 Oldsmobile Silhouette Premiere 3.4L Excessive Emissions, Misfire, Poor Fuel Economy VIN: 1GHDX03E2W
Thanks in advance for your help! We brought this van in with code P0300 set, Customer said when she started it up cold she could feel it miss. Now it runs pretty good except for the fact that the PCM is trying to subtract fuel at idle as noted by the fuel trim... Trouble codes: P0300 (random misfire)
2000 Pontiac Grand Am SE 3.4L Cuts-out/high rpm
Customer returned to garage and complained of his vehicle cutting out while driving. I drove his car for three hours without a singal indication of any problem. Costomer returned in about a week assuring me that I would this time experience the fault. Sure e...
1997 Toyota Camry CE 2.2L MIL Lamp on VIN: JT2BG22K1V
vehicle began prob. on last 3 weeks, car will drive for two days and on third day when started the mill would be on sticking its tongue out... Trouble codes: P0401
1996 Volkswagen Cabrio 2.0L radio VIN: WVWBB81E7T
The vehicle came in with a CEL problem and the radio not working.I'm guessing that a previous attempt to clear the CEL they disconnected the battery and locked out the radio.I have the radio serial number [...] and the code 0225. The procedure That I...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2000 Audi A4 Quattro 2.8L MIL Lamp on VIN: WAUDH68D5Y
Well, the Audi is out for two weeks, and the lady stopped in yesterday to say thanks. I scanned for codes and the 2 codes which I did not reset when it left were still pending, but not current. The check engine lite is staying out. I left them pending on purpo... Trouble codes: 17831 (Secondary air insufficient flow bank1), 17819 (Secondary air insufficient flow bank 2).
1990 Buick LeSabre Limited 3.8L No Start, Stall, MIL Lamp on VIN: 1G4HR54CXL
Unfortunatley i was unable to fix this vehicle. I took all of your suggestion and tried evrything that you suggested with no avail. We even replaced the computer the maf sensor the crank sensor the control module 3 times, and still had the same result. i appri... Trouble codes: 42 (est bypass fail).
1998 Chevrolet Tahoe 5.7L shift VIN: 3GNEK18R8W
The problem turned out to be the ignition switch, even though the symptoms were a little different than the ones I'd had in the past. Voltage drop to 10v on fuse #20 when the fault was present. Thanks for the help!
1998 Chevrolet Tahoe 5.7L ABS System VIN: 3GNEK18R8W
The problem turned out to be the right front hub assembly. Wear in the bearing was not at all evident until the hub was removed.The way we determined the problem was on the right side was to watch the wheel speed data while rolling VERY slowly...sometimes the ...
1998 Chrysler Cirrus LXi 2.5L theft system VIN: 1CEJ56H9SN
All of the replies were very helpful. many thanks to all especially Duane [...] who emailed me several times and did a lot of research for me. Duane if you are ever in my area I'll buy you the biggest steak and the coldest beer around! Accoding to everyt...
2000 Daewoo Lanos SX 1.6L MIL Lamp on VIN: KLATC5265Y
thanks to all who replied we found it to be a timing belt problem but the customer declined any futher diag. and traded the car in i am sorry for the delay on closing this help request
1991 Dodge B350 5.9L 4th Gear/Overdrive VIN: 2B7KB31Z9M
Several replies mostly suggesting a bad TPS or bad speed sensor. Found water trapped (and consequently several corroded terminals)in the main wiring harness connector that goes through the firewall just in front of the brake pedal. Thanks for the help, Tom H...
1997 Ford Explorer Sport 4.0L MIL Lamp on, stalls cold VIN: 1FMCU24X0V
The screen on the airflow sensor was half covered with what looked like dryer lint. Cleaning this fixed the problem. I'm guessing that it came from a cheap air filter that had this 'lint' on it. Most of the numerous replies I got said to clean the airflow se... Trouble codes: P0172, P0175.
1998 Ford Explorer Sport 4.0L Poor Idle Quality, Surge, Misfire VIN: 1FMYU22EAW
We did check the MAF and was spotless, also indicated by the reading of 159 in the baro pid. Although the vehicle always idled properly after the first minute or two the decision was made to replace the iac which was replaced with a new Motorcraft unit. The im...
1999 Honda Civic EX 1.6L compressor VIN: 1HGEJ8145X
I have been having problems with this car. I noticed that when the pressure started to climb so did the temp on the condenser inlet but not on the outlet. I pulled the condenser & blew compressed air threw it. I got some rubbish out so I reinstalled it. Same p...
1999 Honda CR-V EX 2.0L Reverse gear VIN: JHLGH2350X
Customer declined to go further with repairs. I have waited this long to see if they would change their mind. The two replies I had did not assist any further than what I had already diagnosed.i.e. Possible internal problem.
1990 Isuzu Pickup LS 2.6L No Start VIN: JAACL11E4L
The problem is still happening. The customer has gone to the dealer. I'll post the fix if I find out what it was. I've got an amp clamp on order.
1994 Isuzu Trooper S 3.2L cv axles VIN: JACDH58V8R
Well, special thanks to tony [...] for the fix, he was correct that the inner cv joints do not come out. thanks for the procedure i had to rebuild them in the vehicle. all is well and the cust. is happy. thanks again.
2001 Jeep Cherokee Sport 4.0L Misfire VIN: 1J4FF48S21
Thanks for all the help guys. It definitely was the lack of a heat shield on injector #3. We got the part from your tsb info and everything is fine. Again thanks alot!! Jeffery [...]. Trouble codes: P0300 (ramdom misfire code), P0303 (cyl3 misfire).
1991 Lincoln Continental Signature 3.8L ride heights control VIN: 1LNCM9845M
I got many replies, Thank you every body so much ,looks like the suspension from a taurus or sable fits w/ some modification on the rears I may have to drill some holes to fit the top of the struts towers, also I got some replies to find the kits at strutmaste...
1986 Mazda B2000 2.0L No Start, Poor Idle Quality, Cuts out, Stall VIN: JM2UF3135H
well i started with filling in the wallered keyway using epoxy, used locktight on the inside of the sprocket and jb welded the bolt to the sprocket with no change. after redoing everything associated with routing of vacuum lines i removed the intake again to f...
1995 Mercedes-Benz C280 2.8L head VIN: WDBHA28E5S
thanks for all the help. all were right on the money.i found the tool available from the supplier and all were right that you can make your own using a large nut and bolt with a washer. after a bit of a strain you can feel the stud pop and it started to come o...
1993 Mitsubishi Diamante ES 3.0L MIL Lamp on VIN: JA3BP47H9P
Thanks to everyone that responded to my help request post. I am happy to report the vehicle has been repaired and returned to the customer. The problem was the rebuilt ECM. This vehicle was a SOHC motor, and utilized one coil going to the distributor. The co...
1994 Pontiac Grand Prix SE 3.4L power steering VIN: 1G2WJ12X6O
Gave the vehicle a few days of running and it is not as noisey ,still a little loud but the customer said he can live with it.
1997 Pontiac Grand Prix SE 3.8L Misfire, MIL Lamp on VIN: 1G2WJ52KXV
vehicle had a bad exhaust valve, though its weird how this system is able to sneak the misfire by a small engine shake... Trouble codes: P0301, P0300.
2000 Pontiac Grand Prix SE 3.1L MIL Lamp on VIN: 1G2WJ52J3Y
Thanks very much for the three replies but the customer refused repairs at this time . I received some very helpful wiring diagrams . I believe that the new solenoid is defective . If the customer comes back I will post with a real fix . Thanks Mike
2001 Pontiac Montana 3.4L cruise control VIN: 1GMDX03E51
I would like to say thanks to Dennis Ford, Tim [...]. We found that the lower brake light bulbs were out and the element inside the bulb was touching each other. When the headlight automatically came on (it was a cloudy day)due to the sh...
1996 Toyota Camry DX 2.2L #2 rod VIN: JT2BG12K8T
Thank you all, These engines do have a problem although it is not wide spread. I received several responses indicating the same problem with either a rod cap nut backing off or the stud breaking causing the engine failure. I have armed the customer with the fa...
2002 Volkswagen Jetta GLX 2.8L dtc VIN: 3VWTH69M12
Due to the lack of time (customer returning Monday) I recommended sending this one to another dealer. One our dealers told the customer that the transmission would have to be replaced and that they were not available from VWOA... they recommended the independe...
Prev (Also Available: All, Asian, Chrysler, European, Ford, GM.) Next