Chevrolet Camaro Fuel Pump Problems
thirdgennewie Member Posts: 4
edited August 2014 in Chevrolet
Ok here's where we are at. No fuel pump signal to the relay while starting. 10.8v between the orange and gray wires on the FP relay connector when ignition switch is in the on or off position but no start. If I jump gray wire at connector with known good 12v supply the FP runs and car starts. When I measure volts between Orange and gray wire with the car running I get 12v. Disconnected the OPSU, 3 wire, red,yellow,black, and tried to start. Nothing. Jumped and measured voltage at red and black wires at OPSU (2.4v) and nothing. Relay is good. FP fuse is good. Where should I look next? Seems like I am not getting a signal to prime the FP.
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Are you getting turnover?
----If yes: fuel/spark related
----If no, dead battery, bad starter or short in the starter wiring.
----Check power to fuel pump
-----------If power to fuel pump, then check for spark and look at distributor/plugs/wires.