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misfire lean bank 1

  1. A

    4.6 bank 1 misfire

    I have a mercury mountaineer 4.6 3v 138k changed all the plug and coils and it runs worse all injectors are working changed the vct siloniod today #1 -48 #2 -40 #3-25 #4-25 bank 1 lean no vacuum leaks compression even across the motor what am I doing wrong
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