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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for January 1, 2005
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
1994 Chevrolet G30 Chevy Van 5.7L Electronic VIN: 1GBJH32KXR
The problem I am having with this P30 chevy truck is the transmission won't upshift and the torque converter clutch seems to go in and out, this happens intermittently. The truck has been to the trans shop, they can't find any problems with the trans. I have c...
1995 Chevrolet K2500 Cheyenne 7.4L MIL Lamp on VIN: 1GCGK29N3S
Hello Fellow Techs:I've got this vehicle that keeps turning on the mil light.The code it comes up with is code 36.Also the idle speed is at 950 rpm in park warm.the IAC counts are 15 warm at idle.i have replaced the isc solenoid and went through the test chart... Trouble codes: 36 (isc actuator error)
1996 Chevrolet Blazer 4.3L Transfer Case VIN: 1GNDT13WXT
One of the guys in the shop recently purchased a 96 T Blazer. This vehicle has the electrically controlled 4wd with push buttons on the dash. With winter coming he decided to see if the four wheel drive works. He has noticed the lights in the switch will go ou...
1995 Ford Thunderbird LX 4.6L Poor Idle Quality, Surge, MIL Lamp on VIN: 1FALP62W2S
the maf is dead. scan test shows 2.01gm/s & does not move at idle or when rev'ed the maf was replaced by another shop I'm not sure if the new maf is bad or its something else? maybe a bad computor? Trouble codes: P0102
2003 Ford F-150 XL 4.6L enguagement VIN: 2FTHLKVIN1
Dear ford technicans! Got a strange one here. maybe someone of the dealer techs can address this one. maybe it is not so strange for you. got a 2003 F-150 extended cab 4X4 that is not here at the shop. the 4 wheel drive system will enguage sometimes and t...
1993 Jeep Grand Cherokee 5.2L No Start VIN: 1J4GZ58YOP
vehicle came in 4 days ago-no-start- checked ignition-checked for power to pump-key on -power for 3 sec.-cranking i never loose power. we installed 2 aftermarket pumps which would not start vehicle,ordered one from dealer & vehicle started. came in 3 days late...
2000 Jeep Wrangler SE 2.5L 1-2 2-3 shift VIN: 1J4FA29DYP
hi everyone this jeep came in with no movement foward or reverse so we overhauled the trans. test drove the jeep and felt like it was down on power but it was shifting early after all. it feel great 1-2 2-3 shift lock up. the latest i can get it to shift is at...
1998 Kia Sportage 2.0L front axle VIN: KNDJA7231W
Hi Vehicle came in for no 4wd. Found right front hub leaking vacumm. Replaced hub seals and vacumm operated locking hub. During test drive 4wd worked fine, but in 2wd front axle hubs were trying to engage. Ratcheting noise and clunk. Checked electrically oper...
1993 Pontiac Sunbird LE Value Leader 2.0L door locks VIN: 3G2JC51H9P
Hi group. I have this Sunbird that has door locks inpo in the close position only. I hear the relay clicking, but no locking. I want to check voltages at the relay but it does not seem to be where the manual shows. The clicking seems to be behind the glove box...
1997 Pontiac Bonneville SE 3.8L No Start VIN: 1G2HX52K5V
this car floods the spark plugs we pulled the plugs they were soaked with fuel.the inj.pulse m/s is 75.0 we got a used ecm tryed that it didn't help. thanks chuck
2000 Saturn SC1 1.9L Excessive Emissions, Poor Idle Quality, Surge, Misfire, Poor Fuel Economy, MIL Lamp on, stuck in open loop VIN: 1G8ZN1288Y
Hello Techs, Happy New Year! My new year is starting out with this lovely Saturn thats kicking my butt. Vehicle came in with a check engine light on and engine miss. Runs good when cold but misses after it warms up. I gathered the codes and started checking ou... Trouble codes: P1599 (Stall Condition)
2004 Suzuki BALENO -JXL 1600CC No Start, coil have no current VIN: HGF54GDF54
vehicle comes for no start problem i check and find this , that coil have no current so therefore i will check the coil , resistance, grips, cables,all fuses, but i am not find the problem please help me thanks
1990 Toyota Hiace 2800CC no.4 - cylinder VIN: 12JH54FR99
please read the RELATED repair histry and guided me thanks
2003 Toyota Prius 1.5L tires
Ok Car came in with tires on front worn out on inside with what looked like severe alignment problems and potential underinflation issues too. Now upon customer request I started my hot rodder routine of trying to fix the problem rather than just patch the bad...
2004 Toyota Corolla CE 1.8L Poor Idle Quality, poor idle quality VIN: GDFBJHM422
vehicle comes for poor idle problem, i clean the Throttle body, injectors, all sensor grips, but the problem is not ok idle RPM.1500 AND SOME TIME THE RPM IS UP AND DOWN AT IDLE SPEED/SYSTEM THAT IS (DOWN 300-RPM TO UP 800-RPM)I DON,T NO WHATS THIS PLEASE HELP...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
1999 Audi A4 2.8L MIL Lamp on VIN: WAUED28D2X
First i would like to thank everyone that replied. The aftermarket cat was replaced with an oem one and that fixed it. I will only install oe cats from now on. Thanks again Trouble codes: P0432 (Main TWC Efficiency Bnk2 Below Thres).
1997 Buick Riviera 3.8L serpintine belt VIN: 1G4GD2217V
Thanks for the help on this one, the tensioner was worn enough to cause the belt to go sideways and wear out on one side. Installed new tensioner and plastic coolant line fittings. All is well.
1998 Chevrolet Tahoe 5.7L transfer case VIN: R5WJ313684
well guys i finally gave up on this one and sent it to the dealer. im a small shop with limited time when it snow we also have a towing service. we got a good size snow storm so got way behind in the shop. so it went to local chevy dealer. well what they found...
1996 Chrysler LHS 3.5L steering solenoid VIN: 2C3HC56F7T
there were 4 responses from iatn. 3 of them said to replace the rack and the 4th said to test the new pump for pressure. i also talked with 2 dealer techs. they said they wouldn't mess with it and just put in a new rack. tech support for a rebuilder didn't kno...
1998 Chrysler Cirrus LXi 2.5L Poor Idle Quality, Hesitation, Surge, Cuts out, Misfire, MIL Lamp on
hello everyone well so far so good no car so far i guess after everything we did it must have ended up ok thank you everyone for all you imput it was very useful Trouble codes: P0302.
1997 Dodge Ram 3500 5.9L Misfire VIN: 1B6MC3659V
Well, this Dodge is fixed! I removed the fuel rail and did find some rust and scale as was suggested byRoger. Mark [...] all questioned fuel delivery also, and that turned out to be the culprit.The fuel pump I install...
1994 Ford F-350 XL 7.3L No Start, Injector Nozzle Leak VIN: 1FTJW35K1R
I am closing this post as the cust. has not returned yet due to him using it every day for his business. I checked the glow plug opperation as suggested & all is fine there. I will be changing ALL the fuel line 'O' rings as suggested by several posts when I ha...
1997 Ford F-150 Lariat 5.4L Poor Fuel Economy, MIL Lamp on VIN: 1FTEF08L5V
Thanks to all the iatn members out there! This one took an O2 sensor, as was suggested by several of the respondents. The techs who informed me of the 'lean cruise strategy' were the most helpful. The PCM was using the other fuel control sensor for fuel trim a... Trouble codes: P0133 (Lazy Oxygen Sensor Bank 1 Sensor 1), P1131 (Lean Bank 1 Sensor1).
2000 Ford F-150 XL 4.2L No Start VIN: 1FTZX0728Y
Hello to all and enjoy the new year: Well, most replies directed me to check harmonic balancer and timing chain on this engine. However it was Kent from Florida who described a very interesting way of testing for a bent pushrod and how to device a tool to carr...
1998 Honda CR-V LX 2.0L Misfire, MIL Lamp on
I was getting erratic spark kv readings as the problem grew worse so I triple checked the plug wires which were aftermarket and were top grade. They had been changed out twice but I decided to install oem wires to see the result. It completely cured misfire no... Trouble codes: P0300, P0301, P0302, P0303, P0304.
1996 Mercedes-Benz SL600 6.0L oil leak
THank you one and all The leak was coming fron the r/s cam cover gasket. retightened and all is well for now. also noted that there is a new improved cam gasket color green for future reff.
1997 Oldsmobile Cutlass Supreme 3.1L cooling system
Hi guys, thanks for all the quick and honest replies.The day after I posted the owner dropped the car off and insisted we try another thermostat.They were willing to pay and we could not seem to get through to them that this would probably not fix their car so...
2000 Oldsmobile Bravada 4.3L 4x4 VIN: 1GHDT13W4Y
Thanks for all the replies. This vehicle has had the fluid in the transfer case changed three times in its life, with the correct GM transfer fluid. I found a large parking lot and did many figure eights, and the transfer case freed itself. This vehicle gets a...
1993 Pontiac Firebird 3.4L Ignition Fuse VIN: 2G2FS22SXP
I received 4 replies, all suggesting that I double check. Robert hit the nail on the head.The harness was rubbed through on the rear of the intake, between the holders. It was hard to access this( but once I got the harness up again I was able to twist it and ...
1994 Pontiac Bonneville SSE 3.8L Heater VIN: 1G2HZ5215R
Customer did not return or call. The last word I got was the heat was working. I agree with most of the replies pointing to the heat door, possibly binding or the operating motor not working properly. One reply suggested a core flush. Thanks for all the input,...
1995 Subaru Impreza L 1.8L No Start VIN: JF1GM2353S
First of all I want to thank everyone who replied, all of your ideas and suggestions were very good and most of them could have been a possible cause to the problem. I didn't say much (if anything) about checking grounds in my post but I did check grounds and ... Trouble codes: 14 (Fuel injector is not in function- abnormal signal emitted from monitor circuit), 15 (Fuel injector is not in function- abnormal signal emitted from monitor circuit), 16 (Fuel injector is not in function- abnormal signal emitted from monitor circuit), 17 (Fuel injector is not in function- abnormal signal emitted from monitor circuit).
1996 Toyota Camry DX 2.2L MIL Lamp on VIN: 4T1BG12KOT
I got 25 replies to this post. 2 replies were to see if there is an EGR temp sensor. There is no EGR temp sensor on this Camry. One said even though the idle drops when vacuum is applied to the EGR valve, the intake passage for the EGR could still be plugged w... Trouble codes: P0401 (insufficient egr flow detected).
1991 Volvo 940 GLE 2.3L No overdrive VIN: YV1JA87443
Thanks for all of your help. I got 13 replies and all of them directed me to the OD solenoid located on the left side of the transmission. I tested and found that it was getting voltage, indicating that the relay, switch, and harness are all OK, but the soleno...
2001 Volvo V70 2.4T 2.4L MIL Lamp on VIN: YV1SW58D61
Catalytic convertor is warranted 80,000 in CA & MA. There are no drivability problems and the check engine light is not on. We did dump all history and will monitor. My local dealer says they want a check engine light with corresponding codes and freeze frame ... Trouble codes: ECM48.
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