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Prev Professional Automotive Repair Technical Discussions for December 18, 2007
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Help Request Answers
2000 Cadillac DeVille 4.6L dash display VIN: 1G6KD54Y7Y
Well another intermittent cady. The complaint is that the dash will go out at times, This dash is total digital displayed. Customer states that it is intermittent when it happens but once it happens it is out for a while. When they went to drive the car here i...
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1993 Chevrolet Lumina 3.1L No Start VIN: 2G1WH56T2P
Crank no start, good fuel pressure, good spark, no codes, one or two faint noid light flashes, then no injector pulse. Ohm all injectors at 12.6 ohms. All injectors are on same power fuse and all grounded on same wire to pcm. Rpm read zero while cranking using...
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2003 Chevrolet Express 3500 LS 6.0L instrument cluster VIN: 1GAHG39U13
This van will have the instument cluster drop out, almost like you turned the key off and restarted vehicle. All the gauges go down. No driveability complaints. When the cluster drops out the vehicle runs fine. No codes are stored and when I take a movie with ...
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2003 Chevrolet Silverado 1500 HD LS 6.0L Accessories VIN: 1GCGK13U53
HI TECHS; HAVING SOME GRIEF WITH THE HEATER SYSTEM. BLOWER MOTOR IS NOT WORKING. CHECKED BLOWER MOTOR, BLOWER MOTOR RESISTOR, CONTROL ASSEMBLY ON DASH AND ALL FUSES. MY PROBLEM IS THIS, I HAVE NO SIGNAL ON THE PURPLE AND WHITE WIRE THAT POWERS UP THE RESISTOR....
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1998 GMC Sonoma SLE 4.3L transfer case VIN: 1GTDT19X7W
Customer had no problems & uses 4 wheel drive alot, mountain driving. She was hit in the rear with minor damage. The 4 wheel drive has not worked correctly since. We replaced the shift motor as it was very noisy. It started to shift only from 2 whl to 4 whl lo...
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1992 Pontiac Grand Prix SE 3.1L dome lights VIN: 1G2WJ14T0N
thanks for the help,I'm having trouble diagnosing dome lights that stay on,when they are working normally the dome lights dime slowly and then go out like they are controlled by a lighting module but my wiring diagram does not show a lighting control module in...
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1996 Pontiac Grand Am SE 3.1L Torque Converter Clutch VIN: 1G2NE12M8T
Torque converter clutch is disengaging under slight decel. It is very noticeable. Gas millage change has been noticed.
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1996 Pontiac Grand Am SE 2.4L MIL Lamp on VIN: 1G2NE12TXT
i had this grand am come in with mil on with a p0440 and p1601. p0440 keeps comming back at first start up at idle or driving.i check both purge and vent solenoids,both are operating fine.pressure tested the system and held prssure good, no leaks at all. i can... Trouble codes: P0440 (evap system malfunction), P1601 (loss of serial data)
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1998 Pontiac Firebird Firehawk 5.7L Poor Idle Quality, MIL Lamp on VIN: 2G2FV22G0W
The car crank and stalls out on a cold start (over night). Have to keep running with the gas. Once the car warms up it runs and idles fine the rest of the day. I only get a few minutes to test befor the car starts acting right. Do you guys have any thoughts ab... Trouble codes: P0108
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1998 Pontiac Grand Prix SE 3.8L power steering pump VIN: 1G2WR1214X
after i pulled the motor and put it back in there is a noise from the motor when you remove the belt it goes away the only part not new is the power steering pump .i looked at another GTP and it seemed to look like there was a shim between the pump and block. ...
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2001 Pontiac Montana 3.4L Poor Idle Quality VIN: 1GMDXO3E51
Gentlemen/ladies I dont usually post until Im desperate. I get some of the worst problems if you read my requests. this van is intermittent, It will start to idle at 1200-1500 after driving usually when warm . If you turn off the vehicle and restart, the probl...
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Fixes & Summaries for GM
Fix/Summary Answers
2002 Buick Rendezvous CX 3.4L service vehicle soon VIN: 3G5DA03E22
REPLACED BCM,REPROGRAMMED AND CLEARED CODES, TEST DROVE TWICE AND NO WARNINGS ON, THANKS TO ALL WHO RESPONDED...P.S. WHY IN THE WORLD WOULD AN OEM PROGRAM A MODULE TO TURN ON A GENRIC WARNING LAMP WITH SO MANY POSSIBLE CAUSES WITHOUT SETTING A CODE TO ALLOW A ...
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1997 Cadillac DeVille 4.6L hard start VIN: 1G6KD52Y8V
thanks to all who responded to this post.unfortunately we sent the vehicle to the dealer for further diagnosis.most replies were related to fuel pressure regulator in which we replaced(twice)i did also replace the map sensor since its reading did not seem to c...
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2000 Cadillac DeVille 4.6L Power Window VIN: 1G6KD54Y9Y
Thanks for the input. I removed the trim and visors. The headliner is glued to the roof so it is nearly impossible to remove, but it can be lowered enough to get to the harness. The wiring to the RF vanity mirror was pinched and shorted under the outboard scre...
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1984 Chevrolet S10 Pickup 2.8L No Start
after starting vehicle.i installed a new base plate(has appaerance of a grill)because other one was cracked.i following jeff,edward suggestions.now it runs good but has a bit or a rough idle.thanx for all your replies.test drove and runs great.
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2001 Chevrolet Silverado 1500 5.3L Misfire VIN: 2GCEK19T81
hello guys sorry i could not get around to trying anything yet. the vehicle i was working the owner wanted it didnt care about misfire. most of you guys suggested intake gaskets and i think thats where im goin with this one. i am trying to find some time to t...
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2001 Chevrolet Blazer LS 4.3L 4x4 control VIN: 1GNDT13W01
Thanks for all replies guys-we did find the cable to the front diff corroded but after the install it was the same old story.We rechecked the TCCM for any signs of trouble and found none.Back to the encoder-all power and grounds checked OK so after considerabl...
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2001 Chevrolet Blazer LS 4.3L back up lights VIN: 1GNDT13W91
found a short in the right rear back up light socket... thanks for all the replies...happy holidays Duane
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1997 GMC Cab Forward 3.2L No Upshift VIN: J8DB1K8V70
Thanks again to all took the time to reply. A special thanks to Tony from Washington who took the time to fax me the information on retrieving the trouble codes and the code chart and pin out for diagnostics. We found an inhibitor switch code initially and aft...
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1993 Oldsmobile 98 Regency 3.8L radiator VIN: 1G3HN5318P
turned out to be some left in engine block flushed the snot out of it again alls good
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1999 Oldsmobile Intrigue GL 3.8L Misfire VIN: 1G3WS52K3X
Well our patience as well as the owners were tested here. We decided to return the vehicle to the owner without solving the problem. His intention is to take it to someone else and will keep us posted if he determines the problem. While we backed up and starte... Trouble codes: P1300.
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