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Thread: Still having problems with codes 171 and 174!

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  1. #1
    Join Date
    Jan 2012
    Location
    Anacoco, La
    Posts
    433
    Soapy water and a spray bottle, carb and choke cleaner works to. spray 1 side at a time and listen for the motor to run better for a few sec. if ur using the soapy water listen for the motor and alot of times you will see bubbles.

  2. #2
    Join Date
    Apr 2006
    Location
    Bellevue, Nebraska
    Posts
    1,304
    What year truck? Return style fuel system? Check fuel pressure regulator (if eqpt)? Does it bog under throttle?

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