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Professional Automotive Repair Technical Discussions for January 12, 2017 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 2008 Chevrolet Silverado 2500 HD WT 6.0L Hesitation, Surge, Misfire, MIL Lamp on VIN: 1GCHK29K38 Customer complaint is intermittent loss of power,pinging and flashing check engine light.Test drove it with scanner and fuel pressure gauge hooked up.It feels like it is lean or the exhaust is restricted.Fuel trim numbers are around 0 and fuel pressure stays a... Trouble codes: P0300, P1174 (fuel trim cylinder balancebank 1), P1175 (fuel trim cylinder balancebank 2), P2270 (O2 stuck lean bank1sensor 2), P2271 (O2 stuck rich bank 1sensor 2) |
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| 2013 Chevrolet Malibu LT 2.5L Hesitation, MIL Lamp on VIN: 1G11E5SA9D This one causing headaches, came in reduced power, multiple codes P0089/P0171/P228C, after checking freeze frame data etc (inconclusive) cleared and retest with P228C as result, 60 PSI from in tank module, no vacuum leaks (smoked and .30)studying diagnostic tr... Trouble codes: P228C |
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| 2014 Chevrolet Malibu LT 2.5L cooling system VIN: 1G11C5SL0E Car came in with overheating complaint. No coolant in reservoir. No obvious leaks on engine, I do not yet have the right adapter to pressure test cooling system. So I filled the reservoir and ran engine, after 3 gallons the rear drivers side floor is full of c... |
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| 1999 GMC K2500 Sierra SLE 7.4L Solinoid B Error VIN: 1GTGK29J8X Good New Years to All. Have been working on truck for several years, lately has been setting a Code P0758, indicating shift solinoid B error. Dropped transmission pan, inspected wiring harness, replaced 3/4 shift solinoid, replaced gasket, fluid and road test.... |
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| 2004 Saturn L300 1 2.2L MIL Lamp on VIN: 1G8JC54F34 I inherited this from the another tech , he replaced a leaking fuel pump and p0455 set , he has checked it twice with no leaks , I have rechecked it with smoke tester, no leaks. I got the vent solenoid to stick after cycling it, replaced it code returned. I ha... Trouble codes: P0455 (Evap Large leak) |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 2004 Chevrolet Avalanche 1500 5.3L Ignition Fuse A VIN: 3GNEC12T64 Thank you for the help everyone. I managed to find the problem. I discovered the customer is a rather short person. Everyday he gets in and out of the truck and tilts the steering wheel up and down. A part of the ignition switch wiring harness was rubbing on... |
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| 2004 GMC C5500 Topkick C5C042 6.6L No Start VIN: 1GDE5C1154 Replaced all hoses on suction side of fuel system yesterday. Still having the same issues as previously stated. Was able to finally find a return flow spec and have 3x the fuel returning that I am supposed to. Leads me to believe either the injectors that were... |
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