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Professional Automotive Repair Technical Discussions for October 25, 2013 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 1993 Chevrolet Corvette 5.7L No Start VIN: 1G1YY33P3P Hey all, And thank all in advance. Not sure where to start. I will try to keep it short. Customer is driving along one day and car cough and pops and dies. Driving normally. So I go get it with ramp truck. Now I look at the car no spark and no codes. so I chan... |
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| 2000 Chevrolet Blazer LS 4.3L Shift Module VIN: 1GNDT13WXY Replaced T/C module tried known good T/C switch still no communication to T/C Control Module! |
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| 2006 GMC Sierra 2500 HD SLE 6.0L No Start, Stall, MIL Lamp on VIN: 1GTHK24U26 This one's got me pulling my hair out. Truck has been to 2 other shops. Most of the time it runs fine, other than cel is on. Always has maf and 02 codes. Randomly it will just die like u shut the key off. Usually restarts immediately. Other shops have changed ... |
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| 2005 Pontiac G6 GT 3.5L No Start VIN: 1G2ZH54815 Hi everybody, This vehicle came for rear main seal replacement, after completing the job we try to start the vehicle but its not cranking at all check the battery voltage its shows 12 volt, did lock unlock the the door , the anti theft system working properly.... |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 2006 Cadillac CTS 2.8L injector VIN: 1G6DM57T76 Well after a lot of trouble we finally fix the CTS. We did another test on the wires and found that the pin inside the injector connector was loose enough to make contact sometimes and sometimes not that's why the injector wouldn't fire. We replaced the pin an... |
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| 1996 Chevrolet Tahoe LS 5.7L No Start VIN: 1GNEK13R1T thanks for all the help so far so good. ground straps on back of right head bad .one burnt into the other corroded into |
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| 2003 Chevrolet Tracker ZR2 2.5L No power VIN: 2CNBJ73473 Sorry this took so long to close. This truck does not have variable valve timing or variable intake runners, so those suggestions where mute. Found out we do have a leak down detector (been here 16 years and never saw it). Performed leak down, 2 cylinders a... |
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| 2005 Chevrolet Cobalt LS 2.2L harsh shift VIN: 1G1AL52F95 THANKS FOR ALL THE REPLIES-I THOUGHT THAT THE PRESSURE CONTROL SOLENOID COULD BE THE PROBLEM JUST LIKE SOME SAID.SO I REPLACED THE PRESSURE CONTROL AND THE TCC SOLENOID JUST FOR GOOD MEASURES. I DROVE THE CAR 200 MILES WITH NO PROBLEMS.THANKS AGAIN. |
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| 2006 Chevrolet Colorado LT 2.8L No Start VIN: 1GCCS13896 I got some good replies. The opinion is what I suspected, a exhaust cam timing actuator or solenoid will not keep it from starting, only make it run poorly. The truck has 2 problems. The no start was the ignition switch, as some suggested. I replaced it, and a... Trouble codes: P0017 (CKP to CMP correlation). |
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| 2006 Chevrolet Malibu LT 3.5L Remote Start VIN: 1G1ZT518X6 For starters, thanks to everyone for the suggestions and information! After getting some good info from Craig from Michigan we ended up calling the AC Delco Help Line to see if there was any possibility of changing the Remote Start status even though the BCM... |
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| 2005 GMC Yukon Denali 6.0L MIL Lamp on VIN: 1GKEK63U75 I GUESS I JUST NEEDED A WITCH HUNT THIS CLOSE TO HALLOWEEN. ENDED UP BEING A SCAN TOOL GLITCH, TRIED ANOTHER BRAND OF SCAN TOOL AND IT READ O INCHES H20. I INSTALLED THE PURGE VALE THAT WAS NOT WORKING CORRECTLY AND LEFT THE NEW ECM IN PLACE AND CALLED IT GOO... Trouble codes: P0455 (Evap leak). |
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| 1999 Saturn SL 1.9L MIL Lamp on, erratic idle@coldsta VIN: 1G8ZF5281X No wiring issues were found. An detailed look and tracing of all possible 5 volt references from PCM showed all the applicable sensors (as related to the dtcs set) had their own 5 volt ref circuit and nothing was shared external of the pcm. Internally I beli... Trouble codes: P0122 (tps sensor A circuit low), P0405 (EGR sensor A circuit low), P1404 (EGR Performance), P0452 (Evap Emission System Pressure Sensor Low). |
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| 2002 Saturn L200 2.2L brk pedal VIN: 1G8JU54F82 Thank you everyone for all your expertise. We are considering this a fix, after changing both the hydraulic and electrics of the ABS module we drove the vehicle several days with no issues. If the vehicle returns we will update. Again THANK YOU ALL| |
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