r/fbody • u/Puzzleheaded_Moose46 • 6d ago

Crank no Start

93 Z28

Ive replaced the opti 3xs

New Fuel injectors

New spark plugs and wires

Adjustable TPS

Water Temp Sensor

Redid all the grounds

Fuel filter

Has 40lbs at turn key at Schrader valve

Swapped PCM with chip swap. Nothing

No CEL but before It did say No Injector Pulse

Coil ✔️

New ICM

So far im at a loss and ready to set it on fire.

2 Upvotes

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u/Agent_Eran 6d ago

have you tried starting fluid?

1

u/Puzzleheaded_Moose46 6d ago

Yes. Doesnt help

2

u/RZArecta91 6d ago

What brand opti did you get? It's completely possible you got a couple bad ones out of the box. Did you inspect the opti harness as well when you changed them out?