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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for April 24, 2024
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Help Request Answers
2008 GMC Sierra 1500 WT 4.3L Internal pressure system VIN: 1GTEK14X78
Please be advised we are in Alaska and are 4 hours behind. Vehicle came in with hard shift and p0961 hard coded. Commanded pressure solenoid through snapon scanner with manual gauge attached and was unable to control pressure. Replaced pressure control ...

Fixes & Summaries for GM
Fix/Summary Answers
2013 Chevrolet Impala LTZ 3.6L Fuel line vibration VIN: 2G1WC5E3XD
We replaced the HPFP and its fixed. Never really thought of a real good way to test it. The main thing I would say testing again would be the fuel pressure gauge on the tank pump bounced around and never held steady. Thanks for everyone's help.
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