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Professional Automotive Repair Technical Discussions for May 31, 2010 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 1991 Buick Park Avenue 3.8L Hesitation, Stall, Misfire VIN: 1G4CW53LXM Hi, Why does all teh hard to repair cars have to be owned by a relative (My parents) This one has very low power under acceleration and will backfire on acceleration and sometimes when raising the RPM in park. I've done the noted repairs and tested the fuel pr... |
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| 2005 Chevrolet Colorado Sport 2.8L MIL Lamp on VIN: 1GCDT14805 Good morning,I need help. This truck was brought to me because of evap codes after the engine was replaced.The harness and valves were changed over from the old engine.We found a broken wire that was the ground side for the evap vent valve repaired wire then w... Trouble codes: 443 (Purge valve fault), 449 (Evap vent valve low), 300 (Multiple misfire) |
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| 2005 Chevrolet Impala 3.4L No Crank VIN: E559394552 This 05 Impala has me confused! I have a no crank no start condition. I have battery voltage at the starter, but what i don't have is power at the purple signal wire. I have checked the wiring to the relay. I have power on the red and pink wires, and power (on... |
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| 2006 Chevrolet Trailblazer EXT LT 4.2L p.window VIN: 1GNDT13S76 Hi,my customer has a trailblazer in Belize at his 2e home,and all his p.windows go randomly down while driving down the road,and go back up later again,all by them self,has anybody seen this? is there a BCM to controle this,or just the main door switch in left... |
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| 1999 GMC Savana 1500 5.0L MIL Lamp on VIN: 1G53678563 cant seem to fix p0340 sets right away have replaced dist due to worn cam gear, Have good square pattern at pcm with scope reluctant to replace same old story $$$ pcm looks rough white powder but pins look ok Trouble codes: P0340 |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 1994 Chevrolet K1500 Silverado 5.0L Excessive Emissions, Poor Idle Quality, Surge VIN: 2GCEK19H3R Thanks to everyone for the helpful suggestions. Fuel pressure was right around 15 psi. I removed the egr for a visual inspection and it opened and closed fine. No concerns found with the evap system, vacuum leaks or intake gasket concerns. I removed the distri... |
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| 1998 Chevrolet Cavalier Z24 2.4L Cooling Systems VIN: 1G1JF12T3W thanks guys for the response.it turns out to be heater core.even though i had heat.it must be partially clogged. it was just enough restriction caused engine to run 20 deg hotter than normal.flush out the heater core. let it run at idle and the gauge stayed at... |
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| 1989 Pontiac Firebird Formula 5.7L No Start, Stall, No start cold VIN: 1G2FS2185K Hi Again Y'all!! I still need some help. The stalling @ idle is still there. The injectors were bad. When warm #3 was shorted 5ohms and #5 was out of spec too. Now it starts good and runs SO much better. I'm not happy with the tps! .54v at idle but, it wont go... Trouble codes: 52 (Customer had unplugged timing connector DUH). |
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| 2005 Saturn Vue 2.2L Unknown Customer did not return so Ineed to close this request. There were replies for iether abs or transmission problems, Iwould have to believe it to trans related. If it was abs related the brake pedal would have to be depressed. This vehicle would make this soun... |
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