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Prev Professional Automotive Repair Technical Discussions for February 6, 2014
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Open Help Requests for GM
Help Request Answers
2004 Buick Rendezvous CX 3.4L Starting VIN: 3G5DB03E54
This vehicle is drawing the battery down at approx.3 month intervals,the first time it happened it was driven and parked for about 3 hours and it wouldn't start,replaced battery with new and done fine for 2 months and had to be boosted,recharged battery,load t...
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1999 Chevrolet C2500 Suburban 7.4L No Start VIN: 1GNGK26J4X
We are working with a passlock system issue with this truck. Up until now, the ignition lock cylinder and the housing the sensor is in, and the ignition switch which includes the passlock harness all have been replaced. One of these is usually what causes the ... Trouble codes: B2947 (Passlock sensor pwr ckt low), B2958 (Passlock sensor ckt high)
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2002 Chevrolet Impala 3.4L No Start VIN: 2G1WF52E92
Thank you ahead of time I have this car ok no start no spark but injector pulse is there i have power at the pink wire at the ignition module and ground i can see on the scanner that the 7x and 24x crank signals are reading and changing with the crank speed wh...
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2002 Chevrolet Suburban 1500 LT 5.3L No Start VIN: 1GNFK16Z52
Hoping for a little help with an intermittent no start situation. 2 times now, the vehicle has experienced a no start condition (cranks but no start). Each time the fuel gauge has read empty, even though there is a little above 1/4 tank. Each occurrence, the v...
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2003 Chevrolet Trailblazer North Face 4.2L Unknown VIN: 1GNDT13S63
Greetings to all.i have this chevy that at times you go to shut the vehicle off and it continues to run even with the ignition key out of cylinder.also at times when it does shut off the check engine light will remain on and drain the battery down.i had this t...
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2006 Chevrolet W3500 Tiltmaster W3S042 5.2L MIL Lamp on VIN: J8DB4B1686
desired fuel pressure drops under heavy acceleration has a new fuel filter (old one wanst bad) and a new SCV kit installed (pressure regulator) The SCV was replaced because was a difference between the "desired" and actual FPR. FRP reaches 25000 on both, desir... Trouble codes: P1093, P0087
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2007 Chevrolet Tahoe LTZ 5.3L Excessive Emissions, Misfire, MIL Lamp on VIN: 1GNFC13JX7
vehicle runs rough and misses all the time after it reaches operating temp. dtc p0301 misfire is stored. i cant tell if this is a displacement on demand type engine or a conventional design. it runs great when cold idles nice and smooth for about [...] then...
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2011 Chevrolet Express 3500 6.6L pnp, causing no start VIN: 1GB6G5B16B
the problem i am having is trying to find a sub harness from the 6 speed trans. plug comes out of the r rear of the trans. it has a no start condition. actually if you wait 45 seconds after turning the key on it will start. i cant figure out how to unplug the ...
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1998 GMC Jimmy Envoy 4.3L Excessive Emissions, ECM Monitors VIN: 1GKDT13W3W
I have a 1998 GMC Jimmy that I can't run the EVAP & CONVERTER monitors on. The ECM is NOT resetting itself, the fuel level is 3/4, and the ECT is above 185 degrees while driving. I tried doing the drive cycle found in alldata several times from cold start to h...
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2000 GMC Savana 1500 5.7L Engine VIN: 1GDFG15R8Y
A customer came in with this van that needed an engine because it was knocking. There was no vibration from the original engine. After swapping all the accessories from the old engine, to the remanufactured engine, it vibrated over 1000rpm from initial start-u...
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2003 GMC C4500 Topkick C4C042 6.6L Cuts out VIN: 1GDE4E1103
This truck will start and run for appx 5-10 minutes, then just shut off like you turned the key off. No warning, no surging, just from idle to off. The only way to restart it is to manually pump / prime the fuel system again under the hood, but that will only ... Trouble codes: P0540 (Intakr air temp)
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Fixes & Summaries for GM
Fix/Summary Answers
1996 Chevrolet Cavalier 2.2L Misfire
the problem was the after market injector supplied by the cars owner, the connector plugged in ok ,but the terminals never made contact. thanks to all who replied. Trouble codes: P0302.
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2004 Chevrolet Silverado 3500 8.1L pressure loss VIN: 1GCHK34G14
REPLACED FACTORY PUMP WITH ANOTHER PUMP FROM A DIFFERENT PRODUCTION RUN.REFLUSHED SYSTEM.ALSO USED GM FLUID PART #10-5031 . SO FAR SO GOOD BEEN OUT FOR 4 DAYS.THANKYOU TO EVERYONE THAT RESPONDED.
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2007 Chevrolet Suburban 1500 Z71 5.3L Misfire VIN: 3GNFK16387
WE REMOVED PASSENGER SIDE VALVA COVER AND NOTICED NUMBER 6 INTAKE ROCKER WAS VERY LOOSE.WE REMOVED HEAD AND FOUND THE LIFTER TO BE STUCK INSTALLED ALL NEW LIFTERS AND ALL IS WELL. Trouble codes: P0300.
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1993 GMC C6000 Topkick C6H042 6.0L Parking brake VIN: 1GDE6H1P4P
Thank you Alan from Virginia! Used your vin to order the parts and successfully converted to a manual setup. THANK YOU!
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