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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for May 12, 2006
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Open Help Requests for GM
Help Request Answers
1998 Cadillac DeVille 4.6L gauges VIN: 1G6KD54Y8W
I don't know this car as he bought it from the Caddy dealer and usually took it there. Hard to believe but the guy that owned the dealership took the money and skipped town. The problem has is the guages on the dash go crazy telling him he is getting 30 mpg th...
1994 Chevrolet Caprice Classic 5.7L Cuts out
customer brought this retired police car in requesting plugs and wires,( did not do yet ) it has bosch plus 4 plugs in it, ( and been in there awhile )on light accel the car falls flat on it's face ( about 1200 to 1500 rpm's feels like fuel is shutting down ) ...
1995 Chevrolet Corsica 3.1L No Start, Poor Idle Quality VIN: 1G1LD55M4S
This Corsica came from the machine shop for a no start. The customer drove to the grocery store and when he went to leave it didn't start. got it home somehow and then the parts throwing began. Finally he decided it needed head gaskets and took it up to the ma...
1997 Chevrolet C1500 4.3L No Start, Poor Idle Quality, Surge, Cuts out, Misfire, MIL Lamp on VIN: 1GCEC14W0V
hey maybe someone can help me out, i recently had a customer tow in his truck. he had told me it just quit running. he replace ign coil, ign coil control module and vcm and nothing helped. i started off by checking the spark plugs, they were extremely fouled, ... Trouble codes: 1351 (ic circuit high voltage)
2000 Chevrolet Malibu 3.1L MIL Lamp on VIN: 1G1ND52J2Y
hi everybody need some advice with this one , in addition to the codes mentioned, this car also had codes 1189 oil pressure switch short or open, 1404 egr position error, 1585 inhibit circuit cc lamp control circuit, car has a total of 9 codes, 02 heater circu... Trouble codes: 135 (02 heater sensor 1), 141 (02 heater sensor 2), 443 (evap purge control), 443 (evap purge control), 463 (fuel level sensor low), 719 (tcc brake sw signal low)
2004 Chevrolet Express 1500 4.3L No Start VIN: 1GCFG15X94
Vehicle was towed in. It quit running down the road according to the driver "just like you turned the key off". We checked codes, found none, all data appears normal, voltage good, fuel pres. good, comp. good, fire weak, sometimes nonexistent. We replaced coil...
2005 Chevrolet Silverado 1500 5.3L 4Lo VIN: 1GCEK19B25
Hello This truck has push button 4x4 and has had this problem from day one. When you shift into 4LO yo can't get it out with out messing with it for awhile goes in and out of 4HI and Auto just perfectly I've talked to GM tech service we have re shimmed the fir...
1997 GMC Jimmy SL 4.3L 4wd VIN: 1GKDT13W8V
Hi guys, I got this 1997 GMC Jimmy 4WD, The problem with 4wd is not engaging, when i push the either botton 4LO or 4HI I dont hear anything cliking by the transfere case, I hear the module clicks once & the light comes flashes & then goes off but dont engage,a...
2001 Pontiac Grand Am SE 3.4L MIL Lamp on VIN: 1G2NF52E81
good day all. this vehicle came in with the ses, abs and trac lights on. performed scan test. no codes present or in history. car runs great. inspected ecm harness for intermittant connection but all looks good. if any one has had or heard of this problem any ...
2002 Pontiac Grand Am SE1 2.2L No Start VIN: 1G2NF52F32
Hey folks, This car came to me on multiple occasions a couple of months ago with a no start problem. engine cranked fine but would not run. After a ride on the tow truck, it would start in the parking lot and repeatedly start. The customer would take the car a...

Fixes & Summaries for GM
Fix/Summary Answers
1996 Buick Skylark Custom 3.1L No Start, Stall VIN: 1G4NJ52M3T
Hi all. The vehicle is fixed. After replacing the lock cyl & performing a relearn as 7 replies recommended, we had a situation where the theft lite stayed on all the time while driving. The car still would start & stall at times & after numerous start attempts... Trouble codes: P1573 (ebtcm/pcm serial data ckt), 1629 (theft deterrant system cranking signal malfunction).
2001 Cadillac DeVille 4.6L Rear Aux HVAC VIN: 1G6KD54Y42
Sorry for not answering sooner, great help from everyone, however the weather turned colder here and the customer never has shown back up. I appreciate the help.
1993 Chevrolet K1500 Suburban Silverado 5.7L wipers VIN: 1GNFK16K2P
thanks guys for all your help it was a bad ground, so I added a groung wire from the wiper motor to the firewall.
2000 Chevrolet Impala LS 3.8L No Start, Cuts out, Stall, security lite on VIN: 2G1WH55K5Y
Hi all. Not much to report here other than 9 out of 11 replies said replace the ign lock cyl. 2 votes for ignition switch. I replaced the ign lock cyl & did the relearn & all is well now. Thanks to all who replied.
2001 Chevrolet Express 3500 5.7L rotors & pads VIN: 1GBHG31R51
Thanks for your responses, we had 21 replies. Several respones suggested that the customer may be driving with on foot on brake & one foot on gas. We did not think this was the problem because they got alot better mileage on brakes before we worked on it origi...
2000 Saturn SL2 1.9L Surge, Cuts out, Misfire VIN: 1G8ZK527OY
Thanks everybody for your ideas, went back and rechecked coils/ egr system/checked engine vacuum/performed backpressure test on cat/converters/found rear converter plugged 11 pounds of back pressure/replace cat/converter cleared system/car runs perfect!
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