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Professional Automotive Repair Technical Discussions for December 15, 2010 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 1995 Chevrolet Lumina LS 3.1L vats module VIN: 2G1WL52M0S Hey guys, thanks in advance for any help you can give in advance. One of my techs has a Lumina with VATS anti theft. He has diagnosed a failed VATS module, and is too cheap to buy a replacement. Is there any way to totally bypass the VATS system fuel disable c... |
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| 2001 Chevrolet Tahoe 5.3L Rear of engine VIN: 1GNEC13T51 This car has a major oil leak. At idle there is just a very slight leak but when it drives on the road it becomes a major oil leak. The leak looks to be coming from the passanger side on the rear of the engine. Intake valley is dry. We used a gm tool to put in... |
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| 2003 Chevrolet Malibu 3.1L No Start VIN: 1G1NE52J43 Vehicle came in as a no start.Checked fuel pressure and spark,working fine.If I spray carb cleaner into throttle body would run until I stopped carb enrichment.While running scanner showed cam & crank sensor input.I had the tech remove right underpanel and sma... |
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| 2004 Chevrolet Impala 3.8L heater fan VIN: 2G1WH52K04 the heater fan speed changes up and down for no reason.it never stops completely.i tried an ign. switch and eliminated the command start to no avail.checked all wiring for hot spots and found none.has no codes.as stated this is not an auto temp. system.anyone ... |
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| 2005 Chevrolet Equinox LT 3.4L Goes hot at idle VIN: 2CNOL73F85 This Equinox will run ok until it sits at idle. After a few minutes the temp guage will start to climb to over 3/4 then we notice the heat starts to die down. The upper and lower hoses start to get cooler. When you rev it up to about 2000 rpm the guage drops r... |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 1988 Cadillac Allante 4.1L Hesitation, Cuts out, Misfire VIN: 1G6VR3172H well guys this one is fixed,I would like to thank ERIC from Michigan for seending me down the right road,but special thanks go out to RON from CALIFORNA who hit the nail on the head.It end up being some bad injectors. after removing all the injectors and check... Trouble codes: 44 (richt o2 lean), 67 (faulty cruise control), 64 (too much accelration with cruise on). |
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| 1990 Cadillac DeVille 4.5L Hesitation, Misfire VIN: 1G6CD5331L Hi everyone thanks for the help after replacing the egr valve the car ran better but I think one of the injectors is failing the customer does not want to fix it at this time. Thanks again. |
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| 2003 Chevrolet Silverado 2500 HD LS 6.6L Glow Plugs VIN: 1GCHK23163 Thanks to all who responded. Turns out that once I fixed the glow plugs and the wiring harness the unit starts. It still starts hard and I am confident that there are two bad injectors. Waiting on the customer to decide if he wants to fix or pedal. Thank you a... |
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| 2005 Chevrolet Epica LT 2.5L Stall VIN: KL1VP59L1S Replaced the throttle body with the updated part, has been 2 weeks or so now and no issues. Thanks for all the help Trouble codes: P2101. |
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| 2006 Chevrolet Impala LS 3.5L reduced power VIN: 2G1WB55K76 First the fix- throttle body assembly. I got a new t-body and just plugged it in without installing it to see if it would flutter back and forth too. It didn't, nice and smooth open and closed. So I installed it. I'm not sure why a bad unit would cause th... Trouble codes: P2135, P0121. |
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| 2007 Chevrolet Equinox LS 3.4L Reduced power VIN: 2LNDL13F77 a lot of replies pointing to replacement of throttle body...customer not wanting to roll the dice on a $400 part not knowing for sure...like i said it was intermittant problem with not any clues except the dtc's... THANK YOU ALL FOR YOUR TIME... Trouble codes: P2135 (App), P0121 (Tp). |
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| 2009 Chevrolet Equinox LT 3.4L signal switch VIN: 2CND133F79 Thanks to everyone that read and/or replied to my help request. Thanks to David for reminding me how to remove the signal switch [ I was away from my shop, visiting my daughter,-her vehicle ]. I did remove and inspect the switch,saw no physical damage,so I lub... |
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| 1995 Oldsmobile 88 Royale 3.8L Intake plenum VIN: 1G3HN52K1S Alright here's the deal: I made a huge mistake last time I did this manifold and did not install the tube insert. The only reason I can think of for not doing this is while reading the directions today it reads to remove the original insert and install the n... |
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