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  1. H

    I think I found the problem (High idle)

    1990 mustang 5.0 my check engine light comes on and blinks off and then it comes on it is no code
  2. H

    I think I found the problem (High idle)

    1990 mustang t5 5.0 Thanks for the help, but i still need more help. I need to know would code 67 have my check engine light come on. When I first start up the car the check engine light comes on and blinks off and then it comes on again. Then when i accelerate between 2000- 3000 rpms the check...
  3. H

    I think I found the problem (High idle)

    1990 mustang 5.0 t 5 my check engine light come on when i start the engine and it go's on an off when i go to hit the gas. It come on i check the code is 67 can you help me
  4. H

    I think I found the problem (High idle)

    1990 mustang 5.0 t 5 i still get code 67 and the check engine light come on in off i clean black and white plug and my voltages went up
  5. H

    I think I found the problem (High idle)

    1990 mustang 5.0 t5 I have the code 32 67 31