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91 mustang 5.0 timing

2046 Views 6 Replies 6 Participants Last post by  Smurf stang, 
clints pony
im having a timing isue with my car when i put a timing light on the marks at an idle the mark bounces all over the placebutwhen i rev the motor up and keepthe rpmsup the mork shows perfect right were it is supposed to be and at an idle the car wants to die on me any help would be great and i have all ready changed the timing chain
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Smurf stang
Pull this before checking your timing. Your ecu will constantly be adjusting your timing to help smooth out the idle.

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