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Re: Oil pressure switch or not? HELP! 1996 v6 s10
When oil pressure rises above 7psi and the oil pressure switch closes, it will supply the pump with the necessary current and the pump will operate. Here is a simple test to try: With the engine at idle, disconnect the oil pressure switch. If the engine stalls after a few seconds, the circuit for the fuel pump relay to the fuel pump is not supplying current to the fuel pump. Try it and post back your results.
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