1991 Ford Explorer Q&A
1991 Ford Explorer Question: fuel pump
Check the fuel Pump Relay, if you have a Fuel Pressure Gauge you can use that, if you don't get some starter fluid and crank it up, disconnect the fuel line turn the switch on see if it pumps out Fuel. for diagrams or locations post a request on my website sinautoscan.com/forum al be happy to help if you need more help - sinautoscan.com
Check power and ground to the pump while cranking the engine. If you don't have both, then diagnose the fuel pump electrical circuit. If the signals are OK, then you will need to check the fuel pressure output from the pump. Let me know the results and if you need any other info. - Bret Bodas
need to find out no power at the fuel relay switch - donnie069
turns over will not start - Visitor
...T NOT RUN MORE THAN 3MIN,IF THAT INERTIA SWIYCH NOT THROWN INADEQUATE VOTAGE TO INERT. SWITCH. FUEL PUMP DOESNT RUN NFUEL PUMP WHEN BYPASSED,DIDN'T CHECK INERTIA SWITCH VOLAGE WHEN FUEL PUMP RELAY SWI...
have replaced fuel pump relay. might run for a day or 2 months it is something to do with fuel pump (stops, can not here it when key is turned on. )
me and my husband have recently noticed our fuel pump is acting up and we cant find the fuel relay switch any where we have checked under the passeng...