Quote:
Originally Posted by sbrown.nw
I just want my car to start and run like it did before the upgrade.
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The EFI scene for these cars is growing and it's really not as complicated as some people want to believe. There are some variables to tackle for sure but nothing that can't be overcome. I DIY'd my EFI with zero experience and my car is running reliably after running down a few teething issues (also rebuilt top end at the same time).
Regarding your temp sensors, you should have an intake air temp (IAT) sensor and a cylinder head temp (CHT) sensor. The intake temp sensor is likely a GM part and threaded into one of the ITBs. The CHT (your likely culprit) is possibly a ring terminal thermistor that is using one of the upper valve cover studs or one of the oil lines to get a temp. Both are easy and cheap fixes if faulty.
Sorry to hear your experience regarding Al, he's always been helpful to me without me spending a dime with him.