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1989 F-150, 4.9L, 4x4, 5 speed manual.
Truck starts and runs for about 10 minutes then shuts off. Won’t start until cold again. MAP sensor? Any suggestions on how to diagnosis this problem would be appreciated. I thought I’d get the truck in the nonworking state and check for spark and ensure the fuel injectors are spraying.
Pull The codes of of your truck. This will give you a good idea as to where to start. Do you have a Haynes manual? All of the codes are in there or you can get them a fordfuelinjection.com