P1407-94 ford 4.6l

Question

bad gas mileage,power loss,exuast smells and smokes ajter idle then drive.

Answer 1

HI there

This code is for the egr valve out of self test range. This can be the result of a bad or sticking egr valve, or a problem with the vacuum pulling the egr valve when it shouldn't be. It can also be a problem with a plugged up egr tube

P1407 FORD - Exhaust Gas Recirculation Flow Out Of Self-Test Range

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