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Professional Automotive Repair Technical Discussions for June 5, 2015 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 2003 Buick Park Avenue Ultra 3.8L Surge, Stall VIN: 1G4CU54103 Customer states that vehicle will randomly stall and won't start back up unless let vehicle sit for 5-10 min. Code P0101 will randomly set but no MIL light on. MAF values look good. Checked scan data and found MAP pid will start out normal at .745 volt at idle... Trouble codes: P0101 (MAF Sensor Performance) |
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| 2002 Cadillac DeVille 4.6L hard shift VIN: 1G6KD54Y32 has anyone ever seen gear ratio error codes on 1,2,3 & 4? works OK but shifts hard - high line pressure (from codes) 1,2, & 3 come right back, 4th after a few miles. speed sensors seem accurate. no other codes?? never seen this before!!! |
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| 1987 Chevrolet R10 Suburban Custom Deluxe 5.7L Excessive Emissions, Poor Idle Quality, Cuts out, Stall VIN: 1GNER16K6H Custumer droped off truck night before at far side of lot.Stated problem was truck cutting off at stop , just happened all of a sudden.so he brings it to us the next day.So now it begins---tech goes to bring the truck around to the bays ,comes back states truc... Trouble codes: 15 (Coolant temp sensor circut low coolant temp) |
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| 2005 Chevrolet Tahoe LS 4.8L No Start, Cuts out, Stall VIN: 1GNEC13V65 This vehicle will stall at idle in park or neutral. Not in drive, nor while driving. Yesterday for the first time. I had it not starting at all. For about 3 hours I couldn't get it started. I decided to check the fuses to see if one had blown. No fuses blown, ... |
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| 2007 Chevrolet Tahoe LTZ 5.3L Prop Shaft Speed Sensor VIN: 1GNFK13057 Hello i have a problem on a test im trying to figure out with this tahoe code sets c0300 for the rear propshaft speed sensor hook up scan tool and found rpms very erratic to [...] to 32 to 50 all over the place test the resistence at the sensor and seems to... |
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| 2003 GMC Yukon Denali 6.0L Ride Control VIN: 1GKEK63U13 Hello everyone and thanks for the help. I have this 2003 Yukon Denali with the ride control that has this erratic and intermittent clicking from the LF shock whenever you hit a bump, jounce the vehicle. Anything to move the front of the vehicle up and down w... |
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| 2000 Saturn SL1 1.9L Harsh Reverse and Forward VIN: 1G8ZH5282Y Customer came in. Complained of harsh shifting into reverse at times. I originally thought it might be the worn out valve body problem but it seems to happen when light is on and vehicle is cold. I also noticed vehicle takes off in 2nd gear at times again when... |
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| 2007 Saturn Ion-2 2.2L Misfire, MIL Lamp on VIN: 1G8AZ55FX7 Anyone have issues with a single cylinder misfire on these motors that was not related to secondary ignition? it misses at idle, cleans up after 1100 rpm. It does miss when cold, but much more significant when warm. Sprayed carb cleaner around the intake when ... Trouble codes: P0302 (Cylinder 2 misfire) |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 1997 Buick LeSabre Custom 3.8L Collapse VIN: 1G4HP52K4V Thank you for the replies, most of you were correct that it was the fuel tank pressure sensor. With the vehicle cold we scanned the FTPS then started the vehicle. Purge was started and the tank did collapse some. FTPS data did not change. We dropped the tank a... |
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| 2005 Chevrolet Tahoe LS 4.8L Cuts out, Stall VIN: 1GNEC13V65 I didn't really get any helpful information on this post. Just several questions. I was told by one tech from Texas that I needed to repost this since I had already used up my update. I don't really think that is necessary, but I'm going to repost it anyway... |
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| 2009 Chevrolet Tahoe LTZ 5.3L Unknown Bill there is a splice right on top of the parking brake pedal mechanism attached with tape to a wiring harness that runs there but is probably class 2. High speed Lan is a ring link network therefore no splice pack. The truck is fixed the symptoms were as des... |
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| 2005 Saturn Ion-2 2.2L Cuts out, Stall VIN: 1G8AJ52F95 After searching through all available resources and a call to Identifix,I found that there were two additional connectors that weren't listed in the wiring diagrams. Even though this didn't find the problem,it gave me somewhere else to look. What I ended up ... Trouble codes: U1016 (Loss of communication with ECM). |
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