Re: Ford vs Chevy Build-up
Back to basic EFI checks:
EFI injector wiring to correct cylinders/hopefully not ,modified? This is a SEFI engine if using stock processor and injector wiring /injector firing order must remain stock to proper injector in proper cyl at proper time.
Is Baro wired in? No baro = no altitude calculation . With key on signal wire should put out around 159 hz depending on you weather baro and altitude. Should be able to see on scan tool or programmer.
ECT reading ok? IAT Reading OK? If engine sits overnight ,,,,,both should read close to ambient temp
TP around 1 V at idle.
I'd confirm all baseline readings first/.maybe take programmer off and check running with stock processor. They are more adaptable than you think.
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Brian Thompson
NHRA Stock / Super Stock
Class P/SA 6665 SS/MA 6665
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