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  1. L

    Start but not run

    I repair the engine of my 4.0 ford sport trac had a little problem with the timming solve that now I have spark but no injector pulse I check my power and ground to the injector and there good what am i missing ? can you have low or no oil pressure and cause this . i know I have spark because...
  2. L

    P0443 and P0402 codes.

    I P0443 on my scanner I replace the purge valve and re-set the computer. then I got the same code plus P0402 . I check my voltage on the valve wiring 12.47 and I have a negative -12.47 so I have good ground and the resistance is 32.8 ohms across the valve. how can I check my canister to see if...
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