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Prev Professional Automotive Repair Technical Discussions for December 21, 2009
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(Also Available: All, Asian, Chrysler, European, Ford, GM.)
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Help Request Answers
2000 Buick LeSabre Limited 3.8L Stall VIN: 1G4HP54K9Y
This car will stall very suddenly after about 5 tanks of fuel. I have been told that it dies just like the key was turned off, with no warning. All the lights (ABS, Air Bag, cyle like in test mode). I was able to achieve this in the shop by slowley turning the...
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1992 Cadillac DeVille 4.9L heater VIN: 1G6CD53B1N
This car has auto climate control. The customer states that the first time you start the car and set the heat to whatever you want it at it will heat up, and after it reaches that temp and the heater shuts off it will blow cold air until you restart the car th...
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1995 Cadillac DeVille 4.9L blower motor VIN: 1G6KD52B7S
having problem with blower run all the time. ran tests from alldata said replace acp did so and still same problem not really sure about this system did check center wire on blower motor always around 5 volts no mater what speed conroller is set to high med or...
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2000 Cadillac Escalade 5.7L p/s VIN: 1GYEK13R2Y
Alright cadi guys, where you at. The vehicle came initially with the complaint of no p/s. Performed visual inspection, leak tested, verified complaint - leaking from pump seal. Replaced the p/s pump, transfered the evo solenoid, installed new o'rings. Let vehi...
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1996 Chevrolet S10 2.2L no low gear VIN: 1GCCS1449T
We got this truck in a basket: no engine, wires hanging everywhere, PCM in the seat, and were asked to make it go again. My partner is working on this unit: found a used engine and installed. Put the wiring back in place on the engine, and it runs fine. But no...
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1998 Chevrolet Astro 4.3L No Start, Stall, Misfire VIN: 1GNDM19W5W
Hello, I have this 98 Chevy Astro with 4.3 that came in and I replaced the intake manifold gasket to repair a coolant leak. When first tested the engine showed misfires on #3 and #6 cylinder. It runs ruff due to misfires, but then the engine will die just like... Trouble codes: P0300 (Multiple Cylinder Misfire)
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2000 Chevrolet Silverado 1500 5.3L Starting VIN: 1GCEK19T4Y
hello guys,I have a mystery battery drain happening on this truck. Intermittently,the battery will be low on power after an overnight sitting or completely dead after a few days. It is intermittent. We noticed a couple of times that after taking key out, open ...
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2001 Chevrolet Astro 4.3L Drive-axles VIN: 1GNEL19W31
hey guy i have a 2001 astro 4 wheel drive, this vehicle came in on a tow truck with the right front axle separated, the innner cup of the axle stays in the diff. and the shaft and bearing come out of cup braking the boot and loosing the bearing. We inspected t...
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2001 Chevrolet Astro 4.3L power steering VIN: 1GNEL19W01
vehicle has had 3 ps pumps( reman) 2 of which worked for a week or so, the other was an instant failure. vehicle returns with a whining noise and steering shudder and even this condition is intermittent from key off to key on. It may work fine for days then ba...
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2003 Chevrolet Avalanche 1500 5.3L speedo cluster VIN: VN08110122
the speedo cluster - mph changes and mis-reads, oil pressure gauge - arrow stuck facing down past reading range. the MPH will change from normal to anywhere from 10-30mph off
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2004 Chevrolet Colorado 3.5L No Start VIN: 1GCDT196X4
Hi I have this truck with a no start no crank on occasion I have a ROM malfunction code it would not start until I disconnected the bat and then it started. what should I do next? Nothing has been done. I have seen the ignition switches go bad on the tblazers.... Trouble codes: P601
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2004 Chevrolet Trailblazer LS 4.2L MIL Lamp on VIN: 1GNDS13SX4
trying to help out my brother here,his engine was rebuilt 50k ago.ever since then the check engine light is on for p0016 for cam system problem.the rebuilder put a new cam sensor in it, then went out of business!still the code.he took it to his local dealer an... Trouble codes: P0016
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2007 Chevrolet Equinox LT 3.4L RADIO/Battery drain VIN: 2CNDL23F67
This equinox was towed to use due to a no start problem. we charged the battery and where able to get it started. Found a battery drain from 21-30 ma the amps will drop to 21 then spike back up. The draw will go away if you take out the radio fuse 17 you have ...
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1999 GMC C3500 Sierra SL 5.7L No Start VIN: 1GDJC34R8X
Fuel pump runs but shows 20psi at the test port up front. Truck runs briefly on a shot of ether. So spark ok. I can hear the fuel pump running and fuel shooting back in the the gas from the return line. Question #1: This is a Vortec, so if the "Spider" fuel in...
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2002 GMC Sierra 2500 HD 6.6L Hesitation, Misfire, MIL Lamp on VIN: 1GTHK23192
This has been an ongoing problem for the last 5 years. Every winter this duramax will go into limp mode and the ses lamp comes on. Won't go past 20 mph. And sometimes when that happens the fuel gauge will read empty and the check guage lamp is on. It happened ... Trouble codes: P0101, P0201, P0204, P0206, P0207, P1261
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2003 GMC Envoy XL SLE 4.2L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1GKES16S63
This truck came in with the check engine light on with a p0306. At first customer said he wanted a tune up but realized that the misfire should be checked first. I swapped coils and plugs and miss remained on #6. Put a vacuum gauge on it and had a nice steady ... Trouble codes: P0306
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2003 Saturn Vue 2.2L Stall VIN: 5GZCZ33D83
After checking codes-p1599 and u2107- the vehicle started just fine, approx 15 times over a 4 hr period, even though the key was completely worn out. We had a hard time getting the lock cylinder to turn without jiggling the key. We had the customer have a new ... Trouble codes: P1599, U2107
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Fixes & Summaries for GM
Fix/Summary Answers
2002 Chevrolet S10 2.2L MIL Lamp on VIN: 1GCCS195X2
Did research and found exhaust shop is going to need to replace cat with OE or Bigger After market cat, have not hear back from customer on which converter was reinstalled on vehicle. Thanks for input Trouble codes: P0420.
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2005 Chevrolet Cobalt 2.2L compression VIN: 1G1AJ12F85
THANKS TO ALL THAT REPLIED. NO COMPRESSION WAS DUE TO FUEL FLOODING THE CYLINDERS. I POURED SOME MORE OIL AND CRANKED THE ENGINE. AFTER A FEW TIMES OF DOING THIS COMPRESSION WAS RESTORED. After I got compression back the vehicle was running off of two c...
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1995 Geo Prizm LSi 1.8L Cuts out, Misfire VIN: 1Y1SK5287S
THANKS TO ALL THAT RESPONDED TO OUR REQUEST - WE DID INSTALL A TOYOTA FACTORY COIL & THE PROPLEM OF OUR MISSFIRE HAS BEEN FIXED. AGAIN THANKS TO ALL & HAPPY HOLIDAYS!!!
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1999 Pontiac Grand Am SE 2.4L No Start VIN: IG2NE12TOX
Thanks for the response, and the problem was in the fuel pump relay. A pin had corroded on theground side and as it would heat up the circut would fail to close the relay fully thus no injector signal. i replaced the relay and repaired the pdc pins. thanks ...
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