1991 Toyota Pickup "check voltage fuel pump 95" Questions

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?

...fuel pump pressure should be around 40 psi if not check fuel pump voltage at pump connection if voltage is at battery voltage at connector it is probably yhe pump the pump is located in the fuel ...

...voltage under my glove compartment... battery and main relay are fine. Any suggestions? ck all fuses? why did you drop tank down? if high mileage, poss. ign. switch problem. somewhat common. As other ...

check for voltage at  the fuse, the EEC relay, and the fuel pump relay, then the pump.  If  the pump is running and no  fuel gets to the filter, the pump is faulty or the screen in

...turn over. check for power to starter and solenoid, power to main terminal of starter with ign on should read battery voltage. solenoid voltage should be battery voltage when key held in start ...

...VERY easy and it will barely go. Thanks Schley things to check what is fuel pressure --are pumps getting full voltage --egr valve--throttle body [clean -rebuild-replace] --cat converter --vacuum ...

...Voltage: check continuity between connector terminals 2 & 4 2) With Battery Voltage: connect 12v battery power to connector terminals 2 (-) & 4 (+) . Then, check continuity between connector ...

...or get a fuel pressure reading. There should be a signal wire under the hood on driver side by fire wall, add voltage to that and listen for fuel pump, if no noise come from gas tank bad fuel

check the grey wire at the pump to verify voltage and the black for ground. If the relay is not functioning, it may a pump driver failure in the vehicles ECU. check those areas and if you need more or

...seconds? Another thought is to check fuel injector pulse? Voltage to fuel injector probably goes hot when you turn on the key. The computer controls ground, if no ground, have to check for rpm