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Professional Automotive Repair Technical Discussions for April 16, 2016 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 1999 Chevrolet Astro 4.3L No Start, Poor Idle Quality, Misfire VIN: 1GNDM19W4X Problem started with rough idle did tune up still rough idle once and awhile it would get worse then after sitting overnight would not start drained battery then put it on charger for awhile start right up after awhile it got to where it was taking longer to s... Trouble codes: P0300 (Multiple miss fire interminet) |
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| 2004 Pontiac Grand Am SE1 3.4L Poor Idle Quality, Misfire VIN: 1G2NF52E94 This ones kicking my butt. Came in complaining of a rough idle and check engine light on. test drove vehicle to find it runs good off idle, but has a very slight roughness at idle. Nothing crazy. Code is p0300. computer is counting misfires pretty steadily on ... Trouble codes: P0300 |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 2005 Chevrolet Suburban 1500 LT 5.3L MIL Lamp on VIN: 3GNEC16Z45 ok guys, sorry for the long wait. it seems you where all correct on the after market vent replacement, as i put over 100 miles on it and would not clear readyness test for evap. customer picked up and didnt make it 500 ft before light came back on with large e... Trouble codes: P0178 (Fuel composition sensor circuit low frequency), P0327, P0455. |
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| 2004 Pontiac Grand Am SE2 3.4L No Start VIN: 1G2NG52E04 Thanks everyone Stevin nailed it on the [...]. The ac fuse was missing. It keeps blowing when i installed a new one. There were no codes at all stored in the pcm. I disconnected the ac compressor clutch and installed a new fuse and it fired up. Thanks again. |
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| 2006 Pontiac Torrent 3.4L Readiness Monitors VIN: 2CKDL63F76 Hello everyone and thanks for the help on this one. This was a real mess to get remedied. A couple of replies brought up that this vehicle has an EONV EVAP system that requires that the vehicle sit dormant for a period of time for the monitor to run. They w... |
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