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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for April 9, 2005
International Automotive Technicians' Network (iATN) - Members Only
(Also Available: All, Asian, Chrysler, European, Ford, GM.)
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Open Help Requests for GM
Help Request Answers
1988 Chevrolet C1500 Cheyenne 5.7L Engine VIN: 1GCFK24KOJ
OK, This is 1 strange puppy here. Vehicle was brought to me from another shop where they had no clue either. Start this thing and let it run, After about 15 minutes it starts smoking out the tail pipe. It is definetly water,coolant. This thing creates a vacuum...
1992 Chevrolet C1500 Cheyenne 5.0L No Start VIN: 1GCEC14H0N
Good morning group, I have a problem with this pickup. Here's what's happening. It cranks & starts fine until the owner shuts the truck off & tries to restart. It has no spark or injector trigger after a short hot soak. If I unplug the EST connector, the prob...
1993 Chevrolet Camaro Indianapolis 500 Pace Car 5.7L No Start, Poor Idle Quality, Stall VIN: 2G1FP22P5P
hey all. this @#$# car was towed in not wanting to start. it was hard cranking and popping back through the intake, sound like timing was off. customer had other mech put used dist in it , figured the got timing off. I put the engine at top dead center on #1. ...
1995 Chevrolet K1500 5.7L abs VIN: 2GCEK19K45
Hello, we have a 1995 chev 1500 4x4 w/ Kelsey Hayes 4wal 3 channel abs system here. this system is the one w/ only one valve, at the rear of the unit, on the proportioning valve. (valve is attached to EHCU. EHCU doesn't have a bleeder on the unit, and is not t...
1996 Chevrolet Corsica 2.2L Misfire, MIL Lamp on VIN: 1G1LD5541T
HELP! This car was towed in with a no start. The timmming chain was broken and #2 cyl spark plug was broken off in the head. The plug could no be removed so we pulled the head. The machine shop found a crack in the head so we installed a reman head. After the...
1996 Chevrolet Blazer 4.3L Misfire, MIL Lamp on
dear fellow techs we have a 4.3 vortech in the shop that the customer has overheated at least a dozen times this last episode was a leaking water pump and the lower intake gaskets, which have been leaking for months now, well i removed the lower intake and the... Trouble codes: P00, 300 (random misfire)
1993 Pontiac Trans Sport 3.8L Misfire VIN: 1GMDU06L9P
Hello Everyone Thanks in advance,I have this Trans sport that came thurs. for check for hesistation when warm.test drove van and there seemed to be a slight misfire under load.Found a bad plug wire so we did tuneup on van.Test drove again and all was ok until ... Trouble codes: 51 (prom error), 56 (qd driver)
1995 Pontiac Firebird Formula 5.7L Cooling Systems VIN: 2G2FV32P1S
I've ran the car for about 20 min.then it goes slowly to 200 degrees f waiting for the thermo to open up all of a sudden its like a bunch of air pushing the water out of the radiator gushing out like its hot(I opened the bleeder screws to get out the air Therm...
1997 Saturn SL1 1.9L Stall VIN: 1G8ZH5287V
Hello fellow thechs,this saturn arrived at our shop with an intermitant stalling problem,but restarts easily and may run fine when restarted. Scanner read code P0404, EGR circuit malfunction. We performed dtc test and it is leading us to a faulty Pcm. My ques... Trouble codes: P0404

Fixes & Summaries for GM
Fix/Summary Answers
1971 Chevrolet Corvette 5.7L align specs VIN: 1G1
have gotten the car fixed with the fast responses from the fellow members of iATN - car ran true with these specs thank you to all members who posted with specs will keep for future reference once again thank you
1993 Chevrolet Lumina 3.1L No Start VIN: 2G1WL54T2P
Thanks to all, at the fuse is the splice for the ECM and fuel pump battery power. I split those wires and found that the fuel pump circuit was the problem. Pulled the wire, yes to the fuel tank..nothing found. Replaced wiring in and at tank. Others have replac...
1999 Oldsmobile 88 Royale 3.8L security system VIN: 1G3HN52K8X
Thanks to all the guys who replied. The car has been fixed. The problem was in the ignition switch wherein the sensor that touches the pellet from the key doesn't give the right resistance to the module. In somewhat matter it burned the module too so I have to...
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