Questions & Answers for: Toyota low voltage on fuel pump

95 camry fuel pump low voltage yellow w red stripe wire only wire to fuel pump with voltage, very low. no relay or fuse, how does one diagnose this? Check the EFI fuse. Is it blown?

low voltage to fuel pump have spark, but no fuel at filter. check wiring to pump, orange wire with red stripe has perhaps 3v, while connected to pump or disconnected. bad or loose ground check ...

...Low reading could indicate poor connection or a bad pump. Check for voltage and a ground at the pump. You should have a 3 second 12v signal if the pump is good if you just cycle the key but do not ...

...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 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 of new battery.In many cases it has seen that battery charge is low,because if the new battery is just kept in stock then it will get drained automatically without any use.So check the voltage

...not sure if that is the problem.Is it really the problem. no the problem is in the fuel pressure regulator(pressure too high) injectors leaking, injector seals leaking or voltage to the ECM is too ...

...Low Voltage (Bank 1 Sensor 1)P0132 O2 Sensor Circuit High Voltage (Bank 1 Sensor 1)P0133 O2 Sensor Circuit Slow Response (Bank 1 Sensor 1)P0134 O2 Sensor Circuit No Activity Detected (Bank 1 Sensor ...

...low voltage) so we measure pump current first. to be sure its not too much. if the voltage is 0v to pump , i unplug the pump. crank got 12v? then the pump must be shorted. or the relay is burned up. ...

...Low Voltage (Bank #1 Sensor #1) P0132 O2Sensor Circuit High Voltage (Bank #1 Sensor #1) P0133 O2Sensor Circuit Slow Response (Bank #1 Sensor #1) P0134 O2Sensor Circuit No Activity Detected (Bank #1 ...