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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for February 18, 2007
International Automotive Technicians' Network (iATN) - Members Only
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Open Help Requests for GM
Help Request Answers
1994 Buick Roadmaster Limited 5.7L Cuts out, Stall VIN: 1G4BT52P9R
I have this really odd problem. This car when cold will run great will just move on down the road. After it gets hot if you give it anymore than just a little throttle it won't get out of it's own way. Actually you don't even have to be moving just give it a q...
1993 Cadillac DeVille 4.9L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1G6CD53B9P
This is my first post. Please help me. I rebuild automatic transmissions so I'm not that good with misfires. Thanks. This car was running rough always. The service engine soon light came on and it would sometimes stall. It would always restart. You did not ha... Trouble codes: E23 (Electronic Spark Timing EST Signal Fault), E41 (Camshaft Position CMP Sensor or Circuit Fault)
1997 Cadillac Catera 3.0L no heat VIN: WOGVR52R6V
Car came in with no heat, The customer said that in had no heat on the passenger side for a long time & he was told it would be very expensive to repair. Now there is no heat at all. The engine temperature is good & both heater hoses are hot. Seems to have a p...
1997 GMC C1500 Suburban 5.7L Cuts out, Misfire VIN: 123567890-
vortec 5.7 truck runs fine cold then while driving about 60 bam it will jerk may go another 4 miles then bam jerk again it has had a lot of work done to it trying to find the problem now its my turn, customer claims it started after intake gaskets i found cam ...

Fixes & Summaries for GM
Fix/Summary Answers
1972 Chevrolet pickup 454CID engine
Sorry but I need to close this help request before I had a chance to finish it. It looks like I have about 3 options to making this engine fit. Mount the engine forward and lengthen the drive shaft, shift linkage, so on and so forth. Or modify the firewall to ...
1998 GMC Sonoma SL 2.2L int bat VIN: 1GTCS1441W
Hello everyone and thanks for the helpful replies. The Fix I think is going to be the radio. I found that the draw from the Int 50 fuse was on the radio circuit I removed the radio fuse and the draw was gone. I let the truck set for 1 week and it started and c...
1983 Pontiac Firebird 2.8L Poor Idle Quality VIN: 1P345H34J3
I have atlast fixed this car. I found the seal around the power piston as a huge vaccume leak causing the main jet to dump large amounts of fuel into the engine and kill it. The hard part about this one was fixing it, the seal was no longer made and there was ...
1996 Saturn SC2 1.9L engine VIN: IGE25EF79D
this puppy came out like it had eyes,yes a little tieght but no hill for a climber,,,car is back together and runs like a champ...thanks for all 14 who replied you guys rock,,iATN rocks as well...thanks again doug.
1999 Saturn SL 1.9L Poor Fuel Economy VIN: 1G8ZF5283X
I took everyone's advice and changed the ECT. The idle problem went away and the customer called me yesterday and said the fuel mileage went back up. Thanks everyone for all your help.
1999 Saturn SC2 1.9L no reverse VIN: 1G8ZY1276X
The only stamp or ID tag on our transmission is the 2100-3342 on the bottom of the bell housing. So we decided to go with James advice and find a transmission with the MP7 stamp code on it. This was a hard find but thanks to Bill and Patrick we found one. The ...
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