I have a 91 ford f150 have replaced eec & fuel pump relays. Problem is it will start most of time but has no power and continuously backfires. Please help!! Thank you.

I have a 91 ford f150 have replaced eec & fuel pump relays. Problem is it will start most of time but has no power and continuously backfires. Please help!! Thank you. 2 Answers

I have a 1977 ford f150 with a 351 engine in it. It dies sometimes and has trouble starting again, as if fuel isnt getting to the carborator. I have replaced the tank,fuel pump, fuel filter at engine and behind pump. what could be the problem? I am a frustrated 17 year old wanting to know how to fix his truck 7 Answers

It dies sometime and has trouble starting. I have replaced the fuel tank, fuel pump, fuel filters behind pump and on engine. as if no fuel is reaching the carborater but when i check if lines are push...

91 Ford f150 4.9L inline 6 is overheated and will not start. I need help troubleshooting the problem. Any advice is most appreciated. Thanks 5 Answers

91 f150 4.9 inline 6. Started losing power the other day, I checked under the hood and noticed the hoses to the air intake had fallen off. It had been in the shop and I guess someone had forgotten...

My F150 will not keep running it wants to start but will not......replaced cylinoid, electronic control modular, and I am thinkin its electrical or the fuel pump......?!?1 I am not sure please advise???? 4 Answers

My F150 will not keep running it wants to start but will not......replaced cylinoid, electronic control modular, and I am thinking its the electrical system or the fuel pump......?!?1 I am not sure pl...

I replaced starter both sets of wires new battery i have 12 volts at all times and my 97 f150 still will not turn over engine is not sezes can you help 1 Answer

I replaced starter both sets of wires new battery new starter relay I have 13 volts at all times and my 97 f150 will not turn over engine is not seized can turn it please help