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Professional Automotive Repair Technical Discussions for October 14, 2015 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 2008 Chevrolet Malibu LT 2.4L MIL Lamp on VIN: 1G1ZH57B88 Late Saturday, a customer came in said her Malibu had engine light on and the a/c was not working. Checked the code P0128. Like usual on GM vehicles, first replaced the thermostat. Could not find ACDelco parts on late Saturday, had to put one aftermarket. Rese... Trouble codes: P0128 (Engine Coolant Temperature Below Thermostat Regulating Temperature) |
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| 2010 Chevrolet Colorado LT 2.9L Cluster VIN: 1GCESCD99A The Ip cluster all works and the display come on as well.. Shows mileage @ 70.330. The trip has been set to 0.. The cluster mileage does not move.. The trip does not move when driving.. The speedometer works so I assumed that with the data line, no codes store... |
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| 2011 Chevrolet Traverse LTZ 3.6L No Start, Poor Idle Quality, Cuts out, Stall, Misfire, MIL Lamp on Hello all. I am working on a 2010 Chevy Traverse 3.6l vin D. Customer stated that the vehicle would idle poorly when hot intermittently. Also when vehicle idles poorly it would also have poor performance. Customer stated no codes in system. I arrived at the re... Trouble codes: P0050, P0300, P0302, P0304, P0306, P0019 |
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| 2000 Oldsmobile Alero GL 2.4L Fuel Pump VIN: 1G3NL52T6Y Car was towed in for a no start, the fuel pump was not coming on, command fuel pump with the scan tool and it turns on. codes in BCM are U1000 no comms codes in powertrain (engine ecu and transmission) are U1000 and U1040 codes in IP are U1255 no Comms with s... |
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| 2009 Saturn Vue XE 2.4L steering sensor VIN: 3GSCL33P79 car came in with new steering rack. done 3 months prior to the code c0460. mwhen turning steering wheel full bank turn either right or left code c0460 sets. the snsor reads the degrees all the was up to 720 then goes to 0. code then sets. I replaced sensor. pr... |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 1999 Chevrolet Astro 4.3L Surge, MIL Lamp on VIN: 1GNEL19W1X Thank you for all the help and replies. The VCM (PCM) fixed the vehicle. We purchased a reman cardone and had our local AC Delco parts house program the unit. You will have to perform the security system relearn in order to start the vehicle after the VCM is i... Trouble codes: P0605 (Control module programming - Read only memory or control module internal performance), P0339 (Crankshaft position sensor circuit intermittent), P0756 (2-3 Shift solenoid valve performance - no first or second gear), U1193 (Loss of communication with remote control door lock reciever), U1064 (Loss of BCM/DIM/SBM Communications). |
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| 2002 Chevrolet Silverado 2500 HD 6.0L Poor Idle Quality, Misfire, MIL Lamp on Thank you all for the overwhelming response. I finally caught the culprit upstream o2 sensor on data stream. The sensor was stuck around 300 mv and not cycling. It was intermittent but I think I should have caught this earlier. Anyway new sensor and fuel trim ... Trouble codes: P0300, P0171, P0174. |
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| 1995 GMC G2500 Vandura 5.7L Poor Idle Quality, Hesitation, Stall VIN: 1GDEG25K1S The fix for this van was to replace the fuel injectors. I had inspected the screens and found no debris, checked the resistance (1.5 ohms-ok) but in the end, they were restricted. I was worried about the volume of fuel the pump was putting out, but in this c... |
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| 1966 Pontiac GTO 6.4L alternator VIN: 237676P623 Halleluiah! This one is fixed, sorry for delay in response but this one was placed on the back burner as we got busy. Anyway The Culprit: 4 BAD DELCO VOLTAGE REGULATORS AS WELL AS 1 BAD STANDARD VOLTAGE REGULATOR, NONE OF THEM WORKED!! all of them Overcharged ... |
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