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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for June 14, 2013
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Open Help Requests for GM
Help Request Answers
2005 Chevrolet Impala SS 3.8L Misfire VIN: 2G1WP52105
Hi guys n gals, this Impala has a misfire on no.6 cylinder, and ONLY when its under a load,while either driving or in shop powerbraking. It runs as smooth as glass at idle and up to 1500rpm. It has an intermittent misfire on no.6 between 1500rpm and 2100rpm. A...
2007 Chevrolet Uplander LT 3.9L No Start, Cuts out, Stall VIN: 1GNDV33W57
So this van was towed to the shop yesterday. Apparently it had died on my customer 7 times on her way to work. Just as soon as the tow truck left, it started right up and has been running fine since. So, I did my do diligence, and checked codes, grounds, power... Trouble codes: P1174 (Fuel Trim Cylinder Balance Bnk 1 History), P2A01
2009 Chevrolet Silverado 2500 HD LT 6.0L chargeing VIN: 1GCHK53K99
This cust. has hearing aides and the alt noise is driveing him nuts , He has compared his problem to two different trucks one is a 2012 chevy van with the same size motor and trans and also to his friends 2009 2500hd truck and both of these dont make that nois...
2010 Chevrolet Equinox LS 2.4L Poor Idle Quality VIN: 2CNALBEW8A
Hello, This vehicle has low miles and has been to the dealer for timing chain, and high pressure pump already in its short life. On start up have unstable idle, and misfire counters show 2-6 on all cyl randomly. fuel trims and scan data looks good with no code...
2010 Chevrolet Equinox LT 2.4L Hpfp VIN: 2CNALPEW8A
codes P0172 and P0011 set
2006 GMC Envoy Denali 5.3L No Start VIN: 1GKET63M26
I have 2006 Envoy 5.3L, vin #3, with AFM.I need a scope capture of known good CKP,CMP,#1 sync. This vehicle was brought to me after being at 2 different places already.The engine was removed,sent out and rebuilt. After installation it would not start. They cou...
2004 Pontiac Grand Am GT 3.4L Cranking VIN: 1G2NW52E54
Other tech at the shop just got done with this car. He did a front crank seal and oil pan. Now the vehicle will crank for a half second and then stop. I can get the vehicle to run and stay running if I double-crank it to get a few more revolutions. Once runnin...
1999 Saturn SW2 1.9L Stall VIN: 1G8ZK8277X
Car was towed in. Died on customer while driving down the highway. Car runs fine when first cranked and will run until you place foot on brake. When you place your foot on the brake the fuel pressure constantly falls until engine dies. If you take foot off the...
2004 Saturn Vue 2.2L fuel gauge VIN: 5GZCZ23D04
Car came in blowing fuel pump fuse. Customer requested new pump and sending unit.All went well. On test drive check engine light came on P0463 fuel level high or open.checked all connections,all good.Cleared code ,comes right back on. Key on gauge goes to full...

Fixes & Summaries for GM
Fix/Summary Answers
2008 Chevrolet Malibu LT 2.4L No Start VIN: 1G1ZJ57B88
pulled cam cover, front shoe was missing and chain was riding on mounting bolt. chain was very loose & front cam out of time. As for maintaince, the engine was 3 qts low on oil. Thanks for all replies.
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