Questions & Answers for: mechanical fuel pump operation

Fuel Pump Installation Instructions on how to install a fuel pump for a mercedes ml430 Since the reverse of dis-assembling is assembling then you have to do is this. the owner of the car should locate

...fuel pump is now knocking What the heck did he think he was putting in the tank? Gear oil is very thick and heavy, so the fuel pump may have a problem as it is meant to pump gas, which is not thick ...

...FUEL LINES.LOOSEN THE MECHANICAL TRANSFER PUMP BOLTS ONE OR TWO TURNS.MOVE THE PUMP BY HAND TO BREAK THE GASKET SEAL.USING A REMOTE STARTER SWITCH OPERATE STARTER TO ROTATE THE CRANKSHAFT IN SHORT ...

...mechanical resistance in the fuel pump causing it to draw more current (amps) when it warms up (for example after 20 minutes of operation). My guess is replacing the fuel pump will fix this

fuel pump Check supply to fuel pump Check immobiliser operation As the ECU decides when the fuel gets injected - Check temperature sensors Check TDC crank sensor Check O2 sensor Check throttle sensors

...FUEL PUMP MODULE O2 SIGNAL CIRCUIT O2 RETURN CIRCUIT O2 SENSOR HEATER OPERATION O2 SENSOR MAP SENSOR OPERATION ECT SENSOR OPERATION ENGINE MECHANICAL PROBLEM FUEL FILTER/PRESSURE REGULATOR (HIGH) ...

...open TPS voltage greater than 0.92 volts with throttle closed Throttle position sensor sweep MAP sensor operation ECT sensor operation Engine mechanical problem Fuel filter/pressure regulator

...mechanical fuel pump which I have changed out twice....Seems like the carburetor isn't getting fuel. Is there a fuel pump relay? If you have a mechanical pump, there should not be a fuel relay. But ...

...mechanical or whether there is electronic control or merely an electric fuel cut-off solenoid? You also didn't tell us whether it is an in-line pump or a distributor type and if the latter is it ...

...mechanical fuel pump and going to electrical. Do you remove the rod that operates the old mechanical pump from the block? You haven't said what type of engine you have. However my experience does not ...