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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for June 8, 2012
International Automotive Technicians' Network (iATN) - Members Only
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Open Help Requests for GM
Help Request Answers
1986 Chevrolet S10 2.8L Poor Idle Quality, Hesitation, Surge, MIL Lamp on VIN: 1GCCT14R0G
Hi IATN members. We have taken on a 1986 Chevy s-10 with a check engine light on and poor idle/runs rough. Didn't think it would be a problem. First uncovered 3 codes: 34-MAP Low, 44-Lean, 45-Rich. The rich and lean overlap was a little confusing, but we went ... Trouble codes: 43 (Esc not responding), 34 (Map low), 44 (Lean), 45 (Rich)
2001 Chevrolet Malibu 3.1L No Start VIN: 1G1ND52J01
has new pcm and 24x crankshaft sensor. tested passlock it is working fine, vtd fuel disable says inactive on data stream , shows 99% engine load koeo and 19ms. for injector pulse but no pulse signal at connector for injectors. HELP AM FRUSTRATED
2001 Chevrolet Cavalier 2.2L Poor Idle Quality, Hesitation, Stall, Misfire, no power VIN: 1G1JC12401
customers says car loss power while driving,towed to shop.it will start but idles rough with no power like restricted exhaust.dropped exhaust no change.good fire,injectors check good,good fuel pressure.scanner shows po300 code.sensor data on scanner looks good... Trouble codes: P0300
2004 Chevrolet Silverado 1500 4.8L Windows , Locks, Mirror VIN: 2GCEC19VX4
Truck came in with a U1000 code and a U1041 which is non-communication between the BCM and a module. Nothing on the Passenger Door works except the speaker. The Lock, Mirror and Window all inop. from eather the driver's switches or the switches on the Passenge...
2008 Chevrolet Cobalt LT 2.2L radio and tpms and door locks VIN: 1G1AL58F78
after jump starting radio is inop tpms does not respond and door locks go up and down.girl left her gps pluuged in for several days and had to jump start.battery is good no fuses blown .I am hoping someone has had similar problems i can hear about before begii...
1996 GMC K1500 Sierra SL 6.5L Excessive Emissions, Hesitation VIN: 1GTEK19S4T
Hi diesel guys I am not a diesel tech so I am looking on here for some details. This truck has the 6.5 Diesel engine in it, as you are at idel the truck is fine, no engine codes at all. when you are crusing down the road at 55mph you let off the throttle and g...
2006 GMC Savana 3500 6.6L Steering VIN: 1GDJG31206
Hi everyone, Thanks for your help. We have a cube van that intermittently steering goes stiff. It happens several times a day, usually when they are parking or at very slow speeds. We suspected the hydro-boost system but the pump and gear were both leakimg s...
2006 Pontiac G6 GTP 3.9L Surge VIN: 1G2ZM55146
Condition not present when engine is warming up but once warm it starts a steady rythmic surge at a steady speed or on light acceleration. Occurs every 2-3 seconds. Seems to get worse the farther you drive. Feels the same with cruise on or off. No trouble code...
2008 Saturn Aura XE 2.4L Alternator VIN: 1G8ZS57B08
Vehicle came in with a no charging condition, no codes set. Alternator had already been replaced. Check wiring from pcm to alternator, the "l" wire (orange),the generator turn on signal, only gives the alternator 5 volts. If we jump it with 12 volts it charges...

Fixes & Summaries for GM
Fix/Summary Answers
2005 Chevrolet Express 3500 6.0L Turn Signals VIN: 1GCHG35U45
OK, Sorry for the long delay but I was out of commision with some medical issues. Anyway, I read and appreciate everybody's info and tried just about them all. We checked the bulbs and were correct. Checked and cleaned grounds. Replaced the flasher module- no ...
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