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Prev Professional Automotive Repair Technical Discussions for September 20, 2010
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Open Help Requests for GM
Help Request Answers
1999 Cadillac Eldorado ETC 4.6L Suspension VIN: 1G6ET1293X
Good afternoon folks. Thanks ahead for the help here. Got a 1999 Eldorado with low miles, nice car that drives great until you hit a dip in the road or go over a speed bump. When you do, The rear of the car shifts to the side and give strong feel side-to-side ...
2002 Cadillac DeVille 4.6L Tpm VIN: 1G6KE54Y32
looking for a way to enter Tire Pressure Monitor System into relearn mode without using factory remote, remote missing and customer only has after market one, needed to replace one TMP Sensor and can not program Thanks Joe
1990 Chevrolet S10 4.3L Brake Pedal VIN: 1GTCS14Z7L
We replaced the master cylinder, and front pads and calipers. Now the brake pedal fades when sitting at a stop light or any time stopped with the pedal applied and the motor running. We do have a code in the abs-4. Grounded abs valve. I think one of the 2 brak...
1994 Chevrolet Corvette 5.7L Poor Idle Quality VIN: 1G1YY22P7R
This Corvette starts idling up and down after idling for 22 minutes approximately. No codes are present. Engine starts and runs smoothly from a cold condition. The cooling fan turns on and off normally for about five times before idle becomes erratic. We repla...
1997 Chevrolet Lumina 3.1L Radio VIN: 2G1WL52M3V
Could someone help with and theftloc code. The number retrieved are 562 570. Thanks in advance.
2000 Chevrolet Impala 3.4L Motor VIN: 2G1WF52E2Y
Vehicle came in with leaking head gaskets/lower intake gaskets. Pulled lower intake gaskets to find cracks and slightly corroded coolant passages in gasket. Pulled cylinder heads and found cylinder head damage due to coolant corrosion. Had heads cleaned repair...
2000 Chevrolet K2500 5.7L MIL Lamp on VIN: 1GCEC19T01
Replaced fuel pump module with new unit, gauge will work for a second then go to E. checked the harness to the harness to the modual, unhooked harness and did a voltage test with simulator, jumped reference wire sig return no luck. Thanks for any ideas, never ...
2004 Chevrolet C5500 Kodiak C5C042 6.6L Excessive Emissions, Stall VIN: 1GBE5C1214
This is my second post for this truck.due to scheduling errors i was unable to work on truck until now.i am still fighting this one.and need help. I have very excessive black smoke and low power on take off and after prolonged driving i get a p1093 fuel code a... Trouble codes: P1093
2003 GMC Yukon XL 2500 SLE 8.1L MIL Lamp on VIN: 3GKGC26G33
Hi all, This keeps setting a code for a large e-vap leak. The gas cap has been tested. The system has been smoke tested. It has 2 gas tanks.Just wondering what to do next. Thank You for any and all help, Greg S. Trouble codes: P0455 (large evap leak)
1998 Saturn SL2 1.9L MIL Lamp on VIN: 1G8ZK5276W
Vehicle came in with egr insufficient flow code. The egr valve looked as if was binding or sticking when actuated. So we replaced the egr valve and ran the BG egr system cleaner on it. Vehicle ran great and tested fine so away she went. About a month later she... Trouble codes: P0401 (Insufficient egr flow.)

Fixes & Summaries for GM
Fix/Summary Answers
1992 Buick Roadmaster 5.7L Accessories VIN: 77NR454198
i looked at all the grounds and found the tan wiers to the intake had crotion in the crimp thanks to all
1993 Cadillac DeVille 4.9L Power Door Lockd VIN: 1G6CD53B0P
I chose "Fix" rather than "Not fixed" but must qualify that answer. The customer needed her car returned before these replies could be checked out. With the Auto Door Lock Controller disconnected, all functions except the auto lock/unlock function properly, ...
2002 Cadillac Escalade 6.0L gauges VIN: 1GYEK63N42
hi every one i found the problem thanks to all your guys help but especialy roger from florida i did what he said to go to splice pack connector 205 by steering colum. and diconnect it all the connector does is join all the modules together then i starting con...
1997 Chevrolet Blazer LS 4.3L No Start VIN: 1GNDT13WXV
found the fuseable link on left fender bad. cause was Ign switch wire had rubed threw when the steering wheel would tilt. Thanks to all for the help. Jimmy
2000 Chevrolet Silverado 1500 LS 5.3L Poor Idle Quality, Misfire, MIL Lamp on VIN: 2GCEC19TOY
hey guys sorry for the long wait after last post i swapped inj that eve and scott was right skipped followed so i replaced inj would have liked to have replaced all but at 100 bucks ea well we all know how that went i cleaned all the rest i would like to menti... Trouble codes: P0300, P0307.
2009 Chevrolet Silverado 1500 LT 4.8L radio VIN: 2GCEK23C09
I tried the brigtness switch, checked for new programming, read the manual. Then I looked at the dash--the radar detector was right above the light sensor at the base of the windshield. Moved the radar detector 3 inches..instant brightness on the radio. Yet th...
1989 Oldsmobile 98 Regency 3.8L No Start, Cuts out, Stall VIN: 1G3CX54C8K
This nightmare turned out to be a bad ground splice going from the main battery ground cable to a body ground on the right fender. The battery ground cable is connected to a stud under the ICM (along with 4 other grounds) and the body ground in crimped in a "...
2001 Saturn SL2 1.9L 1-2 shift VIN: 1G8ZK52702
Thanks IATN members especially Lane,Britt,Jerry,Ennis,Craig,there was a number of other replies but these 5 hit it right on the money! The Turbine Speed Sensor TSS PO717 was one of the codes and thanks to the above fellow members I found the TSS below the batt...
2004 Saturn Vue 2.2L long crank VIN: 5GZCZ23D64
thanks for the replies we endend up installing a crank sensor even though it scoped out good and installed a igntion module to cure the problem
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