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Prev Professional Automotive Repair Technical Discussions for July 28, 2004
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Open Help Requests for GM
Help Request Answers
1989 Buick Regal Limited 3.1L starts then stalls VIN: 2G4WD14T3K
car came in for stalling condition. runs for about 2 minutes then stalls.code 22 tps low.when stall occurs ecm voltage on scan tool is 6.0v and tps voltage is .00v. Trouble codes: 22 (tps low)
1995 Buick Riviera 3.8L No Start VIN: 1G4GD2213S
Hi all. This Riviera has an intermittant problem with a crank and no-start. When the vehicle does have the no start problem the check engine light glows very dimly in the run position. This vehicle will crank at all times and the security light is normal. The ...
1990 Cadillac Seville 4.5L No Start, theft system VIN: 1G6KS5339L
Good day, having a problem with this caddy that after installing starter can't get the theft control to go off, this unit will not engage starter, always comes up with a theft system activated remove key and wait 3 minutes to start Mitchel has no relearn on th...
1984 Chevrolet Camaro Berlinetta 5.0L Poor Idle Quality, Hesitation, Surge, Stall VIN: 1G1AP87611
Ok, We just put a new rebuilt 5.0 HO in this camaro. The main problem is low vacume. Only 8 in at idle 700 rpm, and 14 at 2500 rpm. This creates a stall at idle, hesitation, lower than normal power, light surge at cruise. Test data-- Idles smooth-- no miss, n...
1990 Chevrolet Lumina 3.1L Poor Idle Quality, Hesitation, Stall, Will not idle VIN: 2G1WL54T7L
Hi Guys, Its me again. This vehicle was driven in by the owner who had given up. It will not idle and he had to pump the throttle in order to get it to the shop. We started at square one in checking the fuel system and rechecking all his work. Our scanner do...
1990 Chevrolet Astro 4.3L rear doors VIN: 1GCDM15Z1L
hello to you all, couldn't beleave I have a problem with this simple project. I cannot seem to drive out the hinge pins on the rear doors on this 90 astro van. My last resort maybe to heat the sucker out, but I'm affraid I may damaged the paint. Have anyone fo...
1994 Chevrolet S10 Blazer 4.3L Encoder VIN: 1GKDT13WXR
Transfer case was replaced for internal damage. Now I canít get 4 high to work. Self test has code 2 for decoder, replaced decoder from old transfer case and still have same problem, replaced decoder again from salvage yard and still have no 4 high. If I disco...
1999 Chevrolet Silverado 1500 5.3L AC Belt VIN: 2GCEC19T4X
Needing help with this one because it doesn't point to a problem that makes sense,This pickup has the seperate AC belt and it has been breaking around 2100 miles ,it's on the 4th one now,.the belt breaks while driving on the highway and without any compressor ...
2000 Chevrolet Prizm 1.8L Hesitation, Cuts out, Stall VIN: 1Y1SK5285Y
When you let the vehicle get cold and then try to start it again, and immediatley put it in gear and try to take off or brake torque the vehicle, it stumbles, backfires, and just basically falls flat on it's face. It only exibits this when allowed to sit for m...
2000 Chevrolet Malibu 3.1L light on VIN: 1G1ND52J7Y
The air bag light is on. the sdm has been changed and all wiring has been checked, there are no breaks in the wires and all connectors are clean. i have not found a scan tool that will read the sir data on this car as of yet, however when i hooked up an otc to...
2000 Chevrolet Camaro 3.8L Head light switch VIN: 2G1FP22KXY
Replaced defective head light switch 6-30-2004.Checked current draw, wiring etc. No problem I could see. 7-236-2004 car back with same problem. Ran checks with same results. I put in a Delco switch 6-30-2004. 7-26 -2004 put in an after market switch. Left ligh...
2000 Chevrolet Malibu 3.1L Poor Idle Quality, Surge, Stall VIN: 161NE52J1Y
Coolant was leaking externally at coolant crossover in intake. Car came into shop very hot. We replaced intake gaskets and now car surges and dies at idle. problem increases with engine temperature. I can not find anything unplugged or any vac. leak. no trash ...
2000 Pontiac Firebird 3.8L MIL Lamp on, default throttle VIN: 2G2FS32K7Y
The problem is very intermitant, it seems to be related to a loss of power from the ignition feed (pink wire). Trouble codes: P0443, P0449, P1518, P1546
2000 Pontiac Grand Prix GT 3.8L 2-3 shift solenoid VIN: 1G2WP52KXY
this is the bosses relatives again, the car was fine, they came out of the store and it made clink noise, SES light came on, and it seemed to be slipping badly...pulled code for 2-3 shift solenoid electrical problem, i dont have all the proper diagnostic equip...

Fixes & Summaries for GM
Fix/Summary Answers
1994 Buick LeSabre Custom 3.8L Blower Motor VIN: 1GYHR5269R
The blower motor circuit had been bypassed. After figuring out the proper wireing and correcting it I replaced the blower motor module and at that time was able to correct remaning violated wireing.
1999 Cadillac Seville SLS 4.6L Vibration VIN: 1G6K45491X
Thanks to those who replied, The best response comes from Bill [...] who has had experience with the screened tires. He also recommended making sure the rims were in perfect condition. I feel confident that the screened tires would solve the problem. Othe...
1989 Chevrolet G20 Chevy Van 5.7L Hesitation, Cuts out, Stall VIN: 1GBEG25K6K
sorry for the delay in responding i've been extremely busy, buts that no excuse . as most of all responses said it was the egr valve causing the problem we had already replaced it with an aftermarket valve and there was no change at all so we though we may hav... Trouble codes: 13 (o2 sensor), 33 (map sensor signal high), 44 (lean exhaust).
1994 Chevrolet S10 Blazer Tahoe 4.3L Cuts out VIN: 1GNCS13W1R
First thanks for all the replies. Nice to here from other in the fight for some sanity. Rechecked wires, coil, still same. Pulled exhaust, same problem. Opened intake, but no leaks or wash down. Went ahead and tried fuel reg., still problem, and same fuel pres...
1997 Chevrolet C1500 Suburban 5.7L system VIN: 3GNEC16R3V
thanks to those who replied most said the T.V.S. in the rear unit. the cust. said he would bring the truck back.
1987 Oldsmobile Calais 2.5L Exchaust Valve
Removed valve spring and inspected valve. Valve would go up and down but if you turned the valve it would stick in the guide. I should of had new guids and valve job when I had head off. Owner dosn't want to fix car. Thanks for all the replies, was vary needed...
1996 Oldsmobile Aurora 4.0L No Start VIN: 1G3GR62C1T
Well we had no luck fixing this car.did replaced the starter because of high current draw which did make the engine turn over faster but still had hard starting-turns over a few more times than normal-tryed replacing both crank sensors and the ignition module-...
2001 Oldsmobile Silhouette Premiere 3.4L airbag light on VIN: 1GHDX23E81
Thanks to all that responded. After the owner returned vehicle from weekend use, I pulled the airbag fuse to disarm system (SDM will hold 36 volt charge for 1 minute). Then I disonncted the drivers pretensionor connecter under front of seat. After connecting a...
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