Q: Q: Truck cranks but won't start.

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Truck will crank but not start. Checked the fuel pump in the gas tank. Not getting power. Checked the 15a EFI no 1 fuse, good. Replaced the fuel pump relay but getting power to it.The EFI is getting power but the C/OPN relay is not getting power. How do I check to see if power is getting to the engine control module? How do I check the engine control module?

My car has 390760 miles.
My car has an automatic transmission.

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