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Prev Professional Automotive Repair Technical Discussions for November 5, 2004
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Open Help Requests for GM
Help Request Answers
1997 Buick LeSabre Limited 3.8L ABS Module VIN: 1G4HR52K2V
Over the past few months, this car has been in for the ABS and traction control light on. The first code was a 43- BPMV Pump Motor Stalled. I went through the diagnostic steps, which included ck. connector damage, several resistanced checks, power and ground e...
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1999 Buick Park Avenue 3.8L eng. VIN: 1G4CW52K1X
Three weaks after major tun-up,car was towed in with no start problem.Eng.cranked normaly at this time. While testing spark, fuel pressure, eng. locked-up. Coolant got in the cylinders, looks like through the plastick intake next to EGR. Does this condition n...
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1993 Chevrolet C2500 Silverado 6.5L overdrive VIN: 1GCGC29F5P
Hello, I have this truck and we had been working on it for a little while. We replaced the engine in it about 2500 miles ago. Well now the truck has come in and has no overdrive at times. Here what the customers says. While driving at 60-70 mph after 20-40 mil...
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1996 Chevrolet Express 1500 4.3L Stall, MIL Lamp on VIN: 1GCFG15W4T
If you start this van up it will start and run good. after a minute or two it will slowly start to bog and loose power. If I add propane the motor perks right up. Once it goes into closed loop the problem goes away. My gut tells me to replace the fuel pump. Bu... Trouble codes: P0171 (system lean), P0174 (system lean)
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1998 Chevrolet Blazer 4.3L No Start VIN: 1GNDT13W5W
car was towed in with no start checked for spark and fuel pressure had 10lbs fuel pressure, replaced fuel pump. it now has 58lbs and holds for at least 30 min. all is well untill two days later towed back in no start but it starts every time i turn key told cu...
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1998 Chevrolet C1500 Suburban 5.7L All Lights VIN: 3GNEC16R8W
We have this suburnan here and all the lights start to flash or flicker. There was an aftermarket alarm system in the vehicle and we removed that, but there was no change. Any help on this one would be appreciated I believe it might be the 17A circuit breaker ...
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2000 Chevrolet Silverado 1500 4.3L Misfire, MIL Lamp on, looses power up hill
customer says happens when going up the same hill everytime.It is a long fairly steep hill.It starts to missfire,then the check engine light comes on,and it starts to loose power.HE says when he comes to a stop it almost stalls then clears up.Unfortunately thi... Trouble codes: P0300
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1994 GMC Jimmy SLE 4.3L digital dash lights VIN: 1GKDT13W3R
can someone point me in the right dircation i donot have tach,fuel,charging,oil lights or display but ido have speed, odometer,gear ind lights i did the normal checks didnot find any thing out may have to replace dash
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1999 GMC K1500 Suburban SLE 5.7L brakes sticking VIN: 3GKFK16R1X
ATN Gods, This Suburban is giving me the run around. The symptom is that when the pedal is depressed, it goes down with little effort and then the brakes grab about half way on the pedal travel, stopping the truck abruptly, but without skidding. Once stopped a...
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2000 GMC Sierra 1500 SL 5.3L Hesitation, Surge, Misfire, MIL Lamp on VIN: 2GTEK19T41
THIS VEHICLE SURGES UNDER ACCEL.& UNDER LOAD. HAVE REPLACED FUEL PUMP,FILTER,REG.,SPARK PLUGS & WIRES. CLEANED INJ. WITH MOTOR VAC.REPLACED MAF. RUNS WITHOUT SURGE IN OPEN LOOP UNPLUGGED MAF ALSO RUNS WITHOUT SURGE.WILL ALWAYS SURGE IN CLOSED LOOP UNDER LOAD O... Trouble codes: P0300
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2000 Oldsmobile Intrigue GL 3.5L ABS /Trac. Control VIN: 1G3WS52H5X
This vehicle has codes C0550 and C0241, which tells me that I have a problem with the Electronic Control Unit. Also, there is a code P1571 which my OTC Genisys System tells me that is related to the traction control system. Before I spend $$$ on this thing I h...
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1993 Pontiac Bonneville SE 3.8L Fuel Inectors inoperative VIN: 1G2HX53L33
Vehicle runs for approx. 2 seconds. It has good fuel pressure, spark to plugs, but no negative triggering of the fuel injectors when problem exist. Dealer said it could be the ecm. Replaced but the problem is the same. Checked archives and others indicated it ...
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1997 Pontiac Trans Sport 3.4L Misfire VIN: 1GMDX03E8V
hello all,this vehicle has a constant misfire on cyl.#1.i checked compression it is 150,it has spark,it has fuel.no vac.leaks,i pulled the valve covers and the valve springs look good the rockers look good and work properly,of course i wouldnt have comp.if the... Trouble codes: P0300
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2001 Pontiac Aztek 3.4L MIL Lamp on VIN: 3G7DA03E01
The Aztek will turn on the serv eng. soon and the temp gauge falls below cold and serv. eng. lite is on. Has codes for temp curcuit problem but the system is working fine at this time. Cleared the codes and code p1189 for oil pressure problem returned. Replace... Trouble codes: P0128 (Coolant temp problem), P1189 (oil pressure problem)
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Fixes & Summaries for GM
Fix/Summary Answers
1997 Chevrolet Corvette 5.7L MIL Lamp on VIN: 1G1YY22G9V
Thanks for the responses guys. after checking backpressure, & o2 sensors again, we just realized that the back check valve just went bad again. We are not sure if it was heat causing it or not, but we solved any future problems by redirecting the hoses. We bou... Trouble codes: 1416 (air inj. system bank 2).
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1997 Chevrolet C1500 5.7L Pinging VIN: 2TEK19R9U1
Thanks to all who responded to our post , after mutliple tests and checking into the many items that were suggested it all came down to the cam retard on the scanner , though we checked it once through human error upon checking again it was indeed incorrect , ...
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2001 Chevrolet Monte Carlo SS 3.8L stereo VIN: 2G1WX15K01
Thanks for the help, sorry it took so long to respond but it took us a long time to track this one down. The draw became very intermittent and we would have to wait sometimes up to 5 days before it would return, sometimes the battery would go dead overnight ot...
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1997 GMC Savana 1500 5.7L No Start, MIL Lamp on, pings VIN: 1GKFG15R3V
The van fixed itself, at least the problem went away. Numerous people informed me that the computers do have problems with water getting inside of them. So I guess we will see if the problem turns up at the next major rain. Thanks everyone for trying to help. Trouble codes: P0101, P0122, P1406 (EGR problem).
7
2001 Oldsmobile Aurora 3.5L Poor Idle Quality, Surge, Misfire, MIL Lamp on VIN: 1G3GR64H61
Well, it's fixed. Thanks for all the replies, which included checking for clogged injectors/swapping injectors, plugged cat, wrong PCV allowing too much air, and leaking intake. I decided to run the car off the injector cleaner to see if higher pressure would ...
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