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Professional Automotive Repair Technical Discussions for May 31, 2018 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 1993 Chevrolet C1500 Cheyenne 4.3L No Start, Poor Idle Quality, Surge, Stall VIN: 1GCEC14Z0P Hello It’s been A while since I am pretty much retired now but an old customer had his pick up die here and asked me to look at it. I was sure it would be a bad pick up coil causing no spark so I used my test distributor and it would start but slobber and ... Trouble codes: 32 (Map sensor) |
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| 1997 Chevrolet Blazer 4.3L Stall VIN: 1GNDT13W8V Hello and thanks to anybody who can help i have this 1996 Blazer that developed a stalling issue anytime the transmission is removed from park. it is NOT a TCC issue the part i am struggling the most with is that once the transmission is shifted from park ... |
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| 2012 Chevrolet Silverado 2500 HD LTZ 6.6L poor def.quality VIN: 1GC2KYE87C will not let me reset def. quality because #4 egt is at 1832 telling me that the reductant inhibit reason is the nox cat. temp.Swapped egt #3 with #4 egt read ambient air temp.Ohmed wiring back to ecm no problem.ecm seems to be bad, am I missing something? |
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| 2013 Chevrolet Silverado 2500 HD LTZ 6.0L Compressor Clutch VIN: 1GC1KYEGXD Truck came in for insufficient cooling. Found leak at High side port on liquid line. Replaced line with OEM part, evac and recharged. System cooling great for about 20 minutes with pressures around 35 low and 225 high sides. Then the compressor started cyc... |
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| 2015 Chevrolet Equinox L 2.4L MIL Lamp on Please help. have changed timing chain and tensioners, rechecked and timed right, replaced actuators , and cam phasers, replaced computer, ran new wires computer to actuator bypassing loom, switched wires so that the computer intake is looking at the exhau... Trouble codes: P0017 |
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| 2006 GMC Canyon SLE 2.8L MIL Lamp on, VIN: 1GTCS148X6 Vehicle came in with code p0017. also had a bad rattle for about 30 sec on startup. figured timing tensioner was out. tore down. found extremely worn timing components and tensioner with very little tension. replaced chain. using special tools and all timi... Trouble codes: P0017 |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 2000 Buick LeSabre Limited 3.8L Starting VIN: 1G4HR54K7Y found a power wire going to pcm under the fuse block chewed thru by a mouse. didn't make sense but just starting checking power and grounds while waiting for responses. and found that there was ignition feed to pcm that was not powering up traced back and fou... |
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| 1988 Chevrolet Corvette 35th Anniversary Edition 5.7L MIL Lamp on VIN: 1G1YY318XJ Closing this becuase i beleive i have exhuasted every option i beleive it to be a prom or pcm problem.I cant find a new prom chip and every crappy reman pcm i put in sets more codes.How ever some of them will not have the burn off code hence my conclusion its ... Trouble codes: 36 (Mass air flow burn off). |
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| 2006 Saturn Vue 3.5L Engine VIN: 5GZCZ53496 Removed the Axle and the bolt, found the sealer never cured and was still a liquid. Unsure of whether sealant was old or not very good for this situation. I ended up finding a oil drain plug o-ring that fit (metal with rubber inlaid in it) and used that and to... |
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