Got a 1989 ford larait 4.9 sometimes it will start and sometimes wont can spray starting fulid and will start every time what should i look for ?

Asked by Mar 13, 2017 at 03:25 PM about the 1989 Ford F-150 XLT Standard Cab LB

Question type: Maintenance & Repair

2 Answers

225

Check for spark during STARTing. If you have spark then check for proper fuel pressure during START. If you have spark and proper fuel pressure during START, then test the Crank Position Sensor. If your engine doesn't have a Crank Sensor then you should have a Hall-Effect Sensor on the distributor. You should check for pulse on the injectors with a noid light.

74,515

Fuel pump and fuel filter should be checked/replaced.

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