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DFI and ECMDiscuss all aspects of DFI (Digital Fuel Injection), ECMs (Electronic Control Module), scanners, and diagnostic equipment. Fine tune your Third Gen computer system for top performance.
1987 Firebird tuned port injection 350 700r4 automatic transmission
Using win ALDL I have a flag for fourth gear request. I'm having an intermittent miss and I'm wondering if this could be the problem I've pretty much checked everything else sensors vacuum leaks ect. I got a brand new motor all new sensors fuel injectors pretty much everything. I also appear to be having an issue with my park neutral switch not sure if this has anything to do with it.
