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Prev Professional Automotive Repair Technical Discussions for February 29, 2008
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Open Help Requests for GM
Help Request Answers
2003 Cadillac CTS 3.2L no heat in cabin / smell inside of car VIN: 1G6DM57NX3
Customer complaint check engine light p0128. Vehicle is not comming up to operating temp. There is a complaint of a smell inside the cabin area. Upon further inspection we have engine coolant in the upper plenum chamber. Also a small amount in the air box. The...
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1994 Chevrolet S10 4.3L Coolant in crankcase VIN: 1GCCS14Z5R
Hi All , Thanks in advance for any help. I have this S-10 that I put heads on and it will loose about a gal. of anti freeze in 100 miles. Seems to go to the crank case. Runs beautiful. No co showing up in radiator. The kid had tried to do these head gaskets an...
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1997 Chevrolet Monte Carlo Z34 3.4L Poor Idle Quality, Surge, Cuts out, Stall VIN: 2G1WX12X7V
hello, this car came in to our shop with a idle problem. the car does ok until you leave it in drive or reverse for a few minutes, as soon as you put it in park and let your foot off brake it will surge up and down and die. we have replaced iac motor,map senso...
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1998 Chevrolet K1500 Cheyenne 5.7L Misfire
we have a chevy truck that we just replaced a motor in with a rebuilt long block.The problem we have is truck cranks and runs but seems to have a miss we scanned on snap on scanner and no misfiring is showing up.all new ac delco ignition parts were installed o...
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1999 Chevrolet C1500 Suburban 5.7L ecm1 fuse VIN: 3GNEC16RXX
hello, i am dealing with a 1999 chev suburban 5.7l that keeps blowing the ecm1 fuse. it has a new ecm & fuel pump. it blows (sometimes) when you plug in the fuel injector plug. and if it doesnt blow right when you plug it it, with the ignition on, it will blo...
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1998 GMC Savana 2500 4.3L MIL Lamp on VIN: 1GTFG29W3W
Hello to my fellow technicians. I have a van that is beating me down and I would greatly appreciate your help. This van came to our shop with the check engine lamp on and a total of eight codes stored. This vehicle came from another shop and it had a lot of po... Trouble codes: P1336 (Crankshaft position variation not learned.)
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2003 GMC Envoy XL SLE 5.3L front axle 4x4 lock VIN: 1GLET16SX3
When shifting into 4x4 the lights come on, the front drive shaft turns, but the front axle does not engage. If the actuator is removed and the lock up is pushed in with a tool, there is no forward engagment, but it seems to engage in reverse. Any ideas?
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2000 Pontiac Grand Prix SE 3.1L No Start, Stall VIN: 1G2WJ52J4Y
Thanks to all in advance. I love this sight. Car was towed in, customer stating it dies when you put it in gear. I get the car it dies upon start up wether in gear or not. Starts fine every time, but dies within a couple of seconds. Scanned vehicle found a the... Trouble codes: P1629
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2001 Pontiac Bonneville SE 3.8L Stall, MIL Lamp on VIN: 1G2HX54KX1
When you reset the codes the car will sit and idle allday. But when you start to drive the car it will die like someone just shut off the key and illuminate the mil light. The code is allways p101 and after replacing with an aftermarket it still is doing the s... Trouble codes: P0101
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Fixes & Summaries for GM
Fix/Summary Answers
1995 Buick Riviera 3.8L starter VIN: 1G4GD2218S
as many thought this car does have a chipped key,unless it has a command start with a after market resistor in place that gets taken out with the old ignition switch. customer was not aware of comand start.installed resistor and now car starts and shifts prope...
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2005 Buick LeSabre Custom 3.8L Fuel & Speedo VIN: 1X5V149240
Thanks For All Your Help. All Replys Were That The Cluster Needed Replaced. The Sweep Test Should Show The Gauges Making A Full Sweep. We Ordered A Replacement From Our GM Dealer. You Just R&R Old One And Install The New One. You Do Not Have To Give Mileage A...
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2001 Cadillac DeVille 4.6L Starting VIN: 1G6KD54Y01
Thanks for the quick replies everyone I get the dumb ... of the day award. grounded the engine back to itself. The empty hole in the front head tricked me and the fact that the bat is under the rear seat, Thanks again Mark
5
1989 Chevrolet C1500 Cheyenne 5.7L No Closed Loop VIN: 2GCEC14K0K
We've started panicing. The high fuel pressure noted earlier was the result of a faulty gauge. Actual fuel pressure is 12.5lbs. I pulled the tank down to see if the fuel pump was leaking inside the tank. I didn't see a problem, but I replaced the pump, sock an...
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1996 Chevrolet Corvette 5.7L horn VIN: 1G1YY22P8T
thank you for the replies from everything that i could find the way this was working was correct but i did increase the wire gage and install a fuse to try and put some protection from a melted wire again.
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1999 Chevrolet Silverado 1500 4.8L Stall, Misfire VIN: 1GCEC14V8X
THANX EVERYONE, GOT MORE INFO ON TRUCK, PREVIOUS SHOP REPLACED ENGINE, AND IGNITION CIRCUT, I PREFORMED CRANK RELEARN AND MISS ON 1 AND 6 FIXED INSTANTLY, HOWEVER RANDOM MISSFIRES STILL PRESENT, DOUBLE CHECKED PLUGS 5 OF THEM HAD CRACKS, TRUCK LIKE NEW NOW
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2001 Chevrolet Impala LS 3.8L abs VIN: 2G1WH55K81
Replaced harness on left side. No problems after that. Bench tested old harness by twisting the two sensor wires together and mesureing resistance at plug end, laying on the bench and not touching it the ohms where jumping all over but never went open, enought...
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2002 Chevrolet Impala 3.8L No Start VIN: 2G1WF55K82
thanks to all that replied replaced bcm sent to the dealer to program it been a week and no problems thanks again jeff
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2006 Chevrolet Colorado LT 3.5L Poor Idle Quality, Misfire VIN: 1FE3HI82I6
Parents have not returned home long enough for me to check it out, but i received a couple of e-mails with GM bullitiens on this problem. Thanks guys. I am going to try and talk with some local GM techs and see if they also know of anything. Trouble codes: P0300.
3
1993 GMC C1500 Sierra 5.7L No Start VIN: 1GTBC14K9P
I guess Im getting senile, I know all about gm dist. caps and rotors. should have replace the rotor first thing, instead of just inspecting it. It turned out to be intermitingly shorting to dist shaft. thanks to all who gave me info. It got me thinking on th...
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