CAVILAR WILL NOT START. WILL START WITH STARTING FLUID.

Asked by Jan 29, 2016 at 01:04 PM about the 2002 Chevrolet Cavalier

Question type: General

CAVILAR WILL NOT START. WILL START WITH STARTING FLUID. CHANGED FUEL FILTER AND FUEL PUMP. TO CHECK THE RELAY WE SWAPPED RELAYS. CHECK FUSES. REPLACED FUEL PUMP AND THE PUMP DOESN'T APPEAR TO RUN. BENCH TESTED OLD PUMP  AFTER TAKING OUT OF CAR AND IT WILL RUN. WHAT ALL CONTROLS POWER TO PUMP OR WHAT AM I MISSING TO CHECK?

2 Answers

510

Did you check voltage and ground at the fuel pump connector before you replaced anything? Gray wire is voltage, black wire is ground. Did you check for voltage at the fuelpump/injector fuse? That fuse circuit goes hot with the key on. Use a test light to check for voltage. One terminal for the load side of relay should be hot with key on, the other leg on the load side carries carries voltage to the pump. It is possible to use proper size jumper wire between those two terminals and the fuel pump should run, don't need to crank it. The load side of relay is that arm with the arrow-head. The other side of relay/coil side is for control.

510

I just wanted to add, make sure battery has a full charge.

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