Questions & Answers for: Oldsmobile low voltage on fuel pump

low on fuel. when you turn on your keyswitch you should hear a hum of the pump . before replacement you should always check voltage to the pump. to make sure. Hi Dawn, Running out of gas and its after

...low voltage section eg the sensors etc. Since you charged the battery that which the best way to do it instead of boosting, I doubt you did anything to mess the computer. Sometimes electronic device ...

...voltage is to low for the electric fuel pump to keep the fuel pressure at 56 PSI which will cause the fuel injectors to stop working. Thank you or using fixya and good luck. I'm having the same ...

...voltage noticed at coil pack then its faulty coil pack that has to be replaced.If all the possible options checked out ok then check the car starter. The starter gets power from battery to start the ...

...voltage output. The MAP sensor reading is the opposite of a vacuum gauge reading: when manifold pressure is high, MAP sensor value is high and vacuum is low. A MAP sensor will produce a low output on ...

...low voltage in the o2 sensor and it starts to hesistate when it gets above 30 mph, I thought it was my fuel pump but that seems not to be the problem, the sensor drops to 8mvolts, and then rises to ...

low voltage at fuel pump Things to check are the relay, oil pressure switch and the wires that are with them. The ECM will send a ground to the relay for about 2 seconds to prime the fuel system. When

low then replace the pump and filter ( parts stores will not warranty pumps with out the filter being replaced also). Fuel filters do clog up, but they will show that you have good pressure, just don&

...voltage to the pump and the pump starts when the ignition is switched on , if not check fuse and relay, check wiring from relay to pump. If ok and the pump is working , check for fuel blockage from ...

Low voltage,will cause car not to start. Wiring open circuit/short circuit to ground, fuel pump relay, engine oil pressure warning lamp switch Code 33 is MAP sensor,voltage high, low vacuum indicated.