× 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 December 11, 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
1994 Acura Legend L 3.2L Poor Idle Quality, Hesitation, Surge, Stall, MIL Lamp on VIN: JH4KA7665R
this car came in stalling when decelerating esp when hard acceleration previous to decel. idled fine in shop. fuel pressure was 30 psi occassionly dropped slightly lower but not consistent w/ stall. cleaned throttle plate/intake w/ bg cleaner. scoped tps w/ va... Trouble codes: 01 (o2 sensor left), 02 (02 sensor right)
1994 Chevrolet K1500 5.7L Stall VIN: 2GCEK19K9R
Hi Everyone, I am trying to set the ignition timing on this truck and I can't find the set timing connector. I thought I might try tracing the circuit to find it but my Mitchell diagrams don't show it at all. Does it just open the EST bypass line? Any informat...
2000 Chevrolet Silverado 2500 6.0L tcc VIN: 1GCGK24U3Y
Customer brought vehicle in about 3 weeks ago stating hard shifts after pulling his boat. Scanned with snappy and got 1870. I replaced the tcc regulator valve with a sonnax valve. A couple days later he called saying it was doing the same thing. I scanned agai...
2004 Chevrolet Silverado 2500 HD 6.0L air bag VIN: JNK45TREER
accident damaged truck replaced air bags and seat belts etc ... the question is does any one found away to program the new air bag module with out using a tech 2 scanner? I have heard that the mastertech is able to use TIS 2000 (any one tried that?) can TIS 20...
1992 Dodge B350 5.9L lean cold VIN: 2B5W35Z3NK
This is our week for multiple problem vehicles!! The original complaint was that the van would not accelerate when you pushed on the pedal, then it would pop thru the throttle body and take off. We found what appeared to be a bad MAP sensor, and this did make ...
1987 Ford F-250 Custom 6.9L glow plug relay VIN: 1FTHX26M4K
Can anyone tell me how to test the glow plug relay? If you turn the key on the Wait to start light stays on about 5 seconds and then the clicking begins. The relay clicks on and off about 10 tens then goes silent. Testing voltage at the glow plug showed 9.9 Vo...
1997 Ford Explorer Eddie Bauer 4.0L Poor Idle Quality VIN: 1FMDU32EXV
This vehicle has a relatively unstable, lower idle speed than I care for. It idles at about 650 with a 29% iac duty cycle. Also at idle the long term fuel trims are 10% for bank 1 and 19% for bank 2. At 1500 rpm the long term trims are -4% for bank 1 and +2% f... Trouble codes: P0153 (Front O2 Sensor), P0305
1999 Ford Expedition XLT 4.6L Stall VIN: 1FMRU1860X
Hey Guys, I've got a Expedition thats throwing me for a loop. When it came in it would intermittently stall. Sometimes it would just die other times the rpm would race and drop and then it would die. I graphed the IAC, TPS, MAF, VOLTAGE and looked at all the o... Trouble codes: B1202 (u1262-), U1262 (u1147-), U1147
2001 Ford Focus ZX3 2.0L hydraulic VIN: 3FAHP31321
car came in smoked clutch///replaced with new slave cylinder///i never could get a good pedal even with the phoenix bleeder//i tried to pull the master down and get it level but its all plastic and different from the rangers//i cant pull the clip and bleed..so...
1989 Honda Prelude 2.0 S 2.0L Excessive Emissions VIN: JHMBA4234K
I'm really lost with this one. This 1989 Honda Prelude runs great with no drivability problems. The problem is it will not pass the California ASM test. The Co emissions are great at idle about 0.07% then you start running the test at 15mph and CO is OK then a...
1992 Honda Accord EX 2.2L 1-2 gear VIN: 1HGCB7276N
Good afternon group. I have a 92 accord that is not shifting. This is somewhat of a follow up as i posted a fix to soon because i was going out of town and thought we had it. The car is in fail safe mode and the d4 lite stays on all of the time but it doesnt b...
1998 Lexus ES300 3.0L MIL Lamp on VIN: JT8BF28G7W
Needs some help... please.. Mil on code p0172 rich bank one fuel trims both banks (long) negative -18 and -15%. Cleaned maf cleared code drove car but cant seem to get the trims in to the normal ranges fuel pressure is at 52 psi and pressure holds when pump is... Trouble codes: P0172
1993 Mazda Protege DX 1.8L Loud Clicking VIN: JM1BG2246R
This vehicle has an ittermintent LOUD clicking sound coming from the fuel rail itself. Not like a normal injector sound or pressure regulators sometimes make. I mean this noise is LOUD!. I disconnected the injectors one at a time. Disconected the vac. line goi...
1989 Nissan Maxima GXE 3.0L MIL Lamp on VIN: JN1HJ01P2K
Help me Nissan techs. The Maxima keeps setting Code 33. The oxygen sensor is a new Denso. Power to the heater good. The ground for the heater is good. the sensor indicates change when an OHM meter is put on it and there is no short to ground or power on the si... Trouble codes: 33 (O2 sensor circuit)
1994 Oldsmobile Achieva S 3.1L No Start VIN: 1G3NL53M5R
Customer Towed Car in complaining of engine cutout during driving. After a few minutes car would start drive a few Km and cutout. No codes and check engine light is not on. Came into shop this morning, car started for about a minute then cutout, Cranks ok but ...
1995 Volkswagen Jetta GL 2.0L MIL Lamp on VIN: 3VWRA81HOS
HI Guys got a tuff one here thats been stumping me for days here. This Jetta came in on the hook, with a no start problem. Went throught the normal test procedures and found that the cam sensor had no voltage. Had an extra known good used ecu laying around pop... Trouble codes: 2111 (Engine Speed Sensor)
1996 Volkswagen Jetta GLS 2.0L 1-2 shift VIN: 3VWSA81H2T
hello all, I have a 96 jetta here that refuses to be fixed. Car originally came in with complaint of slippage in 3rd and 4th speeds. TCM had no codes. Pull trans and send to local trans shop. Their analysis was the torque converter had failed, and the debris ...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
1979 Cadillac Seville 5.7L No Start
OK it's FIXED!! Hooray! Thanks again to all who replied. Big kudos go to Bruce, who sent me the info I needed; and to Glen who verified my suspiscion that I was missing at least on signal from the dist. The two magnetic sensors weren't doing much for a signal,...
1996 Chevrolet Cavalier Z24 2.4L Poor Idle Quality, Hesitation, Misfire VIN: 3G1JF12T9T
thanks for all the replies, but after trying all day to get the car to act up it just wouldn't. customer needeed car and said would bring back if acted up again, thanks again for all of the replies Trouble codes: P1171 (fuel system lean during acceleration).
1997 Chevrolet P30 5.7L Misfire, MIL Lamp on VIN: 1GPKP32R2V
After allowing the vehicle to sit outside in the cold (30's) code P0340- cam position sensor problem, would reset as soon as the engine started. Scaning the data showed -38 degrees cam sensor setting. The prior day, without moving the dist., the reading had be... Trouble codes: P0161 (O2 Heater ckt problem --bank 2 sensor 2), P0341 (CMP sensor circuit out of range), P0340 (Camshaft position sensor problem), P1406 (EGR pintle position ckt. problem).
1996 Ford Taurus GL 3.0L MIL Lamp on VIN: 1FALP52U5T
Well didnt get to fix this as the customer wants to wait till after the holidays at which time I will try pcm. Most replies advised to a leak in the system but I did not find one. I did find on the control side wire to the vmv was grounded by the computer all ... Trouble codes: P0443.
1997 Ford F-150 Lariat 4.6L battery saver relay VIN: 1FTDX0866V
There seems to be a concern that the current draw I had was read incorrectly. The .5 amp draw was correct. the GEM would not power down over night. Replaceing the GEM brought the current draw down to 125ma. Even though this was still unacceptable, when the rad...
2000 GMC Sierra 1500 SL 5.3L Hesitation, Surge, Misfire, MIL Lamp on VIN: 2GTEK19T41
thanks for all the help. the right cat had 4.5# of back pressure. replaced cats with gm factory cats, drove vehicle, lost misfires. Trouble codes: P0300.
2000 GMC Sierra 1500 SL 5.3L Surge, Misfire, MIL Lamp on VIN: 2GTEK19T41
thanks for all the help. right cat had 4.5# of back pressure. replaced cats with gm factory cats, drove vehicle, and lost misfires. Trouble codes: P0300.
2003 GMC Envoy SLT 4.2L Transmission VIN: 1GKDS13S83
Many thanks to all the replies I recieved, we installed a Ignition switch as most said ! So-Far so good. All the best Joe
1996 Infiniti I30 3.0L Excessive Emissions, MIL Lamp on VIN: JNKCA2103T
the customer isn't going to return before x-mas, does not feel like giving a car a 500.00 x-mas gift. most of the posts listed maf a main culprit, but several also mentioned seeing slipped timing chains. received one very test for maf sensors, from Frank [...]... Trouble codes: 172 (fuel trim high).
1995 Nissan Maxima SE 3.0L Cooling Systems VIN: JNICA21D7S
Well most everyone said it was a water pump and we verified that the coolant was coming from a void in the timing case (not the cover) when we removed the pump coolant came pouring out of the same void/weep hole. After reinstalling the pump and the tensioner t...
1997 Saturn SC1 1.9L Mounts? VIN: 1G8ZH528XW
Thanks to all who replied. The right side motor mount did the trick. The customer's happy and so am I. This sight is the greatest thing since sliced bread. Brad
1999 Saturn SL2 1.9L No Start VIN: 1G8ZK5278X
Well this one is down the road, I had checked the harnness for opens and made sure the grounds were good and swapped the relays before I posted my help request. Thanks to all that replied,a special thanks to Duane for the correct relay termial id and to Ray fo...
1998 Volkswagen Golf GL 2.0L MIL Lamp on VIN: 3VWFA81H2W
We have gremlins in this vw. WE removed the radio and checked pin 3, nothing there AND removed pin 8 as ross tech advises. The test resistor did not get hot and voltage was at the acceptable limit. Ran a scan test po300, intermittant miss, repaired 2 cracked v...
2000 Volvo V40 1.9L Cooling Fans VIN: YV1VW2558Y
I am sorry that it has taken me so long to post this fix. I needed to be sure that it was fixed first. I got the vehicle back this last week for repair. The problem was that the old battery had leaked acid onto the pressure switch on top of the reciever dryer....
Prev (Also Available: All, Asian, Chrysler, European, Ford, GM.) Next