My 99 f150 5.4L will turn over but won't crank. I can tap the relay pump comes on tap it again it goes off. When the pump is running it won't turn off. When the pump is running it still won't crank.
7 Answers
migration_cowdough answered 3 years ago
you got air? u got fuel? you got fire? youre missing one of them.
Joshua answered 3 years ago
crankshaft positiin sensor or ignition module become suspect
Your Answer:
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