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Prev Professional Automotive Repair Technical Discussions for March 16, 2010
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Open Help Requests for GM
Help Request Answers
2004 Buick LeSabre Limited 3.8L tach & fuel gauge VIN: 1G4HR54K34
Happy spring ahead! I have this Buick with a problem in the instrument cluster. The fuel gauge and the tachometer needles are both "tumbled". Sometimes they work normally. I would appreciate any ideas and thank everyone in advance.
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1993 Chevrolet Corvette 5.7L interior lighting VIN: 1G1YY33PXP
Car came in with the inerior light staying on if you remove the interior light relay the lights turn off. I checked scan data and it shows that both front doors are closed and that the interior lights are comanded on by the computer. So the computer is seding ...
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1994 Chevrolet Camaro Z28 5.7L Hesitation, Misfire VIN: 2G1FP22PXR
This car was brought in with a hard start/running problem. The car acted like it was out of time so the customer brought a new opti spark with him. I installed it and the car starts better but still acts like it's out of time. So i hooked the scanner up and al... Trouble codes: 43 (esc problem)
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1994 Chevrolet Caprice Classic 5.7L No Start VIN: 1G1BL82P8R
this is the fun one...with the dist. behind the waterpump. when it came in, i had spark into the dist, but not out. customer ok'd a new(again) dist. cap, and asked for the dist. to be replaced again as we're already there. now with them installed, i have sp...
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2002 Chevrolet Silverado 2500 HD LS 6.6L No Start VIN: 1GCHK24132
Hi guys. Did get this thing started finally-still have low fuel pressure(25mPA). Found this to be due to a BAD fuel leak coming from somewhere below the injection pump-i can't tell even w/ a small mirror. Has anyone seen a leak such as this? It appears to be f... Trouble codes: P1093 (low fuel pressure), P1094 (fuel rail pressure low)
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2002 Chevrolet Silverado 2500 HD LS 6.6L No Start VIN: 1GCHK23132
mornin,gents.truck comes in ,driver complaint,no start cold.plug it in[block heater]for an hour,fires right up.however it cranks for 2or3 seconds longer than i think it should at operating temp.glow plug system is all new,oe stuff and is working perfectly.we t...
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2003 Chevrolet Trailblazer LS 4.2L MIL Lamp on VIN: 1GNDT13SX3
the customer is complaining that the check engine light is coming on after 2 days of driving. i ran thru mitchells tests and determined the cam phase acctuator was sticking when cold. the vehicle has since returned with the same code and i have seen the cam ph... Trouble codes: P1345 (cmp/ckp corralation problem)
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2004 Chevrolet Silverado 2500 6.0L electric braking VIN: 2GCEK19U24
Customer bought this vehicle and complained brakes were very hard, this apparently has an electric brake system that gm had some problems with, I can't see the vehicle nor work on it as of yet as the dealer will not let customer go with it saying it's too dang...
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2004 Chevrolet Blazer LS 4.3L high idle VIN: 1GNDT13X44
Need help with this one guys,this suv came in with PO507 code in computer,idle too high. engine was idling at 1000rpm in park and 1100rpm in drive.Smoke tested intake system and did not find any visable leaks.checked current iatn postings and found that someti... Trouble codes: P0507
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2000 GMC Savana 3500 7.4L Poor Idle Quality, Cuts out VIN: 1GTHG35JXY
poor idle quality,misfire,scanner shows all ok,runs good for a month or two then back to rough idle,egr/purge sol bypassed no change. injector balance test good. good compression and relative compression.smoke test intake for leak none found. vac. with pcv dis...
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2004 GMC Sierra 1500 SLT 5.3L power steering pump VIN: 2GTEK13T34
This truck is starting to steer hard again.This is what happened last time just before it failed compleatly.Is there something that will cause these to fail often.System was flushed and all seams well.Thanks so much.
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1994 Oldsmobile Cutlass Ciera S 2.2L No Start VIN: 1G3AG5548R
On full throttle, some popping out throttle body while cranking. Starter and battery work good. Any help or test to run?
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2001 Oldsmobile Aurora 3.5L Passenger side vent VIN: 1G3GR6ZH51
Greetings, The passenger side A/C vent just blows hot air all the time. Driver's side is fine, we can adjust the temperature on that side. Passenger side just blows real hot air. Our scanner only gives fault codes for the heater/AC system, and there are no cod...
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2000 Pontiac Sunfire SE 2.2L gauges/ warning lights /blower motor VIN: 1G2JB5247Y
this is the third time in my shop over the last 6 months for a no start condition and this time customer complained it died on her ...when it came in the first time it was a no start no crank it wouldnt jump or anything...i left the key on as i was looking und...
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2005 Saturn Vue 2.2L Cuts out, no power VIN: 5GZC23D955
To all Saturn techs This saturn is turning into a nightmare,customer complaint states that every once in awhile vehicle just looses power and then wont go over 2o miles per hour.I took this car for test drives everyday for a week and it finally did it for me,i...
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Fixes & Summaries for GM
Fix/Summary Answers
2005 Buick Rendezvous CX 3.4L MIL Lamp on VIN: 3G5DA03L26
after replacing the fuel tank pressure sensor, we cleared the light. It came back for the same code the next time it ran the test. We replaced the $230 canister (cost) and it hasnt came back yet. thanks to all for your help! Trouble codes: P0446 (evap vent system perfomance).
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2000 Cadillac Seville STS 4.6L Parasitic Draw, Batt dies in 2 hours VIN: 1G6KY5496Y
THE IPM WAS THE FIX, WHICH IS PART OF THE HVAC CONTROL HEAD. THE IPM DID NOT REQUIRE PROGRAMMING. THANKS FOR EVERYONES HELP.
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1989 Chevrolet K1500 Cheyenne 5.7L No Start, Poor Idle Quality, Cuts out, Stall VIN: 1GTDK14K2K
Well it is time to thank all that responded. We checked everything from bad grounds , distributors , map sensor ,intake gasket and fuel pump. In the end it ended up being the wireing in the fuel tank that runs the pump. This was not the frist place we thought... Trouble codes: N0NE.
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1990 Chevrolet C1500 Silverado 5.7L Poor Idle Quality, Hesitation, Cuts out, Misfire VIN: 1GCDC14K3L
Distributor replaced with remanufactured unit including Dist Cap, Rotor and Ignition wires-set timing to factory spec (with firewall advance wire disconnected). Initial road test found better throttle response. Monitored with scan tool over 15 mile test - no ...
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1991 Chevrolet Camaro RS 3.1L MIL Lamp on VIN: 1G1FP23T9M
I got a lot of responses, but I still could not fix the car, at least for now. I ended up having a 92 RS come in and I tried its computer w/prom and also the ignition module. tried playing with the timing, the gas was drained during the pump change. With every... Trouble codes: 43 (ESC Circuit).
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1997 Chevrolet Cavalier Z24 2.4L Surge VIN: 1G1JF12T4V
intake gaskets was the problem. Im put the smoke machine on the car and smoke was pouring out around the intake. I thought I had a employee already run a smoke test. But i guess it was antoher vehicle. thanks guys
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2004 Chevrolet Silverado 1500 LT 5.3L Drive-axles VIN: 1GEK19T84E
AS IT TURNS OUT THE REMAN DIFFERENTIAL WAS THE CAUSE OF THE ISSUES REPLACED IT WITH ANOTHER UNIT AND THE PROBLEM SOLVED,THANK YOU FOR ALL YOUR HELP
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2004 Pontiac Montana 3.4L Surge
It was the fuel pump. Got my amp probe to work, and the pattern was all over the place. Got another figure out a good way to watch the fuel pressure while driving, and saw the pressure drop when it acted up.
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