have to crank engine 8-15 times before starting?

Asked by Jan 25, 2015 at 08:10 AM about the 1986 Ford Bronco II Eddie Bauer 4WD

Question type: Maintenance & Repair

i am 67 on social security and hardly have enought to live on. every one keeps emailing me to check the fuel pressure ihave no equipment to do that. and i cant afford to take it to a garage and pay hundreds to get it fixed. if it was the fuel pump why does it run allriht after it starts? does it build up pressure after its running? dont make sense to me. cansome one who really knows what is wrong?

1 Answer

11,560

It is possible that you just have a dirty fuel filter. That said however, it is also likely that the High pressure fuel pump is bad. I am pretty sure your bronco has 2 fuel pumps. one in the tank, a low pressure pump and one on the frame rail drivers side, the high pressure pump. If you know the fuel filter is clean and good then they are asking you to check the fuel pressure. I don't know which engine you have, but common specs for this vehicle show that you need 35-45 lbs. of pressure key on engine not running and 30-40 lbs with the engine running. As soon as you turn on the key the pump will cycle, (you should hear it) for a few seconds, it is building up the required pressure. If the pump is weak, you could have problems starting like you have. that is why they are telling you to have the fuel pressure tested.

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