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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for April 28, 2025
International Automotive Technicians' Network (iATN) - Members Only
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2021 Chevrolet Malibu LS 1.5L Lean VIN: 1G1ZD5ST4M
I got this car from another shop with P0089. They replaced the pcm. I reinstalled the original pcm and replaced the high pressure fuel pump. Fuel rail pressure at idle now is about 540 psi. P1101 also present. I cleaned the throttle body and relearned idle... Trouble codes: P0171, P1101, P0089 (Fuel rail low fuel pressure)
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Fixes & Summaries for GM
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2012 GMC Yukon Denali 6.2L Safety VIN: 1GKS2EEF1C
thanks William [...], got the over stock item off Ebay. waiting for item to see if fixes issue. yes went through all wiring ect to confirm seat pad sender is the issue. Just dis appointed in the factory not still producing a safety issue item for the vehicl...
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