fuel pump pressure
rockwild
01-14-2005, 04:43 PM
What would cause the fuel pump to push 40 psi instead of 58-64psi 94 blazer 4.3 cpi
ricksza
01-15-2005, 09:52 PM
Bad fuel pump, high resistance on electrical connections to pump, restriction in fuel lines (possible clogged fuel filter), or bad fuel pressure regulator.
rlith
01-16-2005, 09:25 AM
Most likely though the pump is plum worn out though..
BlazerLT
01-16-2005, 03:17 PM
Or insufficient current and voltage from the battery.
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