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Professional Automotive Repair Technical Discussions for February 21, 2019 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 2005 Chevrolet Express 3500 6.0L Excessive Emissions, Misfire, MIL Lamp on VIN: 1GAHG35U05 Van runs ok in park. Put it in gear and power drops and it starts to misfire on all cylinders on bank 2. Dropped cat and still had same result. While watching scan tool noticed that B2S1 O2 would go to 1100 mv when van was in neutral or drive. In all other... Trouble codes: P0155, P0300 |
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| 2013 Chevrolet Equinox LS 2.4L MIL Lamp on VIN: 1GNFLCEK5D The check engine light would come on and be off for a few days but now is on all the time and other codes are also listed. The P0013 and P0014 codes, the cam actuators seem to work find on the scan tool data. The car was a quart low on oil. The P0171 lean ... Trouble codes: P0013 (Exhaust camshaft position actuator), P0014 (Exhaust camshaft position performance), P0171 (Fuel trim system lean), P219A |
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| 2008 Pontiac G6 2.4L No Crank VIN: 1G2ZF57B78 [...] for all emails thx, mac |
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| 2009 Pontiac Montana SV6 3.9L fan VIN: 1GMDU03189 The 1,2 and 3 fan relays are all energized, the fans are on high whenever the engine is running, control can be interrupted with the scan tool (modis)the pcm and ect sensor were replaced(used pcm), all wires were checked for continuity from pcm to fuse box... |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 2004 Chevrolet Tahoe LS 5.3L mode actuator VIN: 1GNEK13T24 well i finally got it together. i took my time and lined the respective arms up with the slots on the cam and kind of rotated the whole unit in.when i first looked at it i thought the gears should line up but they do not only when you select defrost i believe.... |
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| 2004 Chevrolet Suburban 1500 LS 5.3L Shift indicator/PRNDL VIN: 3GNFK16Z84 Thanks for all the replies to my post. I found an open in the Blk/Wht wire from the neutral/safety switch to the PCM. Ran a new wire from the PCM to the neutral safety switch and now the PRNDL works for all gears selected. I decided to recheck the wires I had ... |
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| 2007 Chevrolet Uplander LT 3.9L Abs VIN: 1GNDV33167 thanks for the replys. Did get a new gm module installed it than did have to get it programed. is working fine Probably should of done this in the first place was trying to save our costomer some money instead cost us thanks again Jim |
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| 2009 Chevrolet Aveo5 LS 1.6L MIL Lamp on, Lack of power VIN: KL1TD66E79 The lack of power ended up being a torn air intake tube. Put a new intake tube on and the vehicle ran much better. The P0016 was still there but the customer did not want to put any more money into it. They were just happy the vehicles power was back. Thanks f... Trouble codes: P0016 (Crankshaft Position CKP - Intake Camshaft Position CMP Correlation), P0016 (Crankshaft Position CKP - Intake Camshaft Position CMP Correlation), P0016 (Crankshaft Position CKP - Intake Camshaft Position CMP Correlation), P0016 (Crankshaft Position CKP - Intake Camshaft Position CMP Correlation). |
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| 2007 Saturn Sky 2.4L Unknown VIN: 1G8MB35BX7 Thank you all for your efforts. So... What happened was strange. We removed the driveshaft and had the front joint inspected/rebuilt with no improvement. We removed the CV axles and had them inspected/rebuilt with no improvement. However, one time this thing w... |
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