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 2 years ago
you got air? u got fuel? you got fire? youre missing one of them.
Joshua answered 2 years ago
crankshaft positiin sensor or ignition module become suspect
migration_cowdough answered 2 years ago
Not utta the question but the simple stuff first. find a forum page or maybe a fb group for these trucks. see if youca nf ind the factory service manual on pdf. new bible and better than haynes or chiltons. ill never own a vehicle wo one
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