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Professional Automotive Repair Technical Discussions for November 27, 2018 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 2008 Cadillac DTS 4.6L MIL Lamp on VIN: 1G6KD57Y88 I have now inherited this car. Related history, new AIR solenoid valve, pull rear manifold and clean passages, reflash PCM. My test: BARO = 102 kpa, AIR pressure sensor = 103 kpa KOEO. AIR pump on/ Solenoid off = 124 kpa KOEO. AIR pump on/ Solenoid o... Trouble codes: P0411 (Secondary Injection Incorrect Flow) |
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| 1997 Chevrolet Astro 4.3L Valve Body VIN: 1GCDM19WXV Help!!! this is my work van and now its a no move van. Ok so i pulled out my valve body and replaced it with a remanned unit because of a hard 1-2 shift and a p0785 shift timing solenoid a malfunction, i replaced the valve body,both gaskets and the metal p... |
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| 2014 Chevrolet Impala LS 2.5L MIL Lamp on VIN: 2G11Y5SLXE I get an occasional P0411 code. It takes a while for it to set. Car runs fine. I can command the pump to run with the scanner. It will drive the O2 S1 reading down to almost zero. I can hear the pump when it is commanded on. The way I understand this is th... Trouble codes: P0411 (Secondary AIR incorrect AIR flow detected) |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 2009 Chevrolet HHR LT 2.4L Front crankshaft seal VIN: 3GNCA53V79 GM did redesign the seal. The old one I removed was a 2 lip traditional style and the new one has one large lip with grooves to continually route oil away. It fit very snugly on the crankshaft pulley. There was only a small minor groove mark on the pulley. I ... |
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| 2012 Chevrolet Impala LT 3.6L Hesitation, Surge, Stall, MIL Lamp on VIN: 2G1WG5E30C Thanks for the help guys. Unfortunately, the customer does not want to continue with repairs at this time. I am leaning toward clogged fuel injectors. I checked manifold vacuum with a gauge and it was 17 to 19 inches at vacuum. I checked for leaks in vario... Trouble codes: P0171 (Lean bank 1), P0174 (Lean bank 2). |
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| 2010 Saturn Outlook XE 3.6L MIL Lamp on VIN: 5GZLVTED3A Thanks to all that offered help. we ended up doing a 30 minute capacitive discharge. Re set faults, road tested 30 minutes-light is out- truck runs well- no misfire counts or codes. Greg H |
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