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Old 08-27-2008   #1 (permalink)
LCilla is offline Apprentice

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Chicago   Illinois
Default 1986 Mustang Running Rich

Not sure whats up, But recently ive been running rich, did a full tune up, checked timing, everything looks good but its running rich, fuel pressure is good, tps is at .98 no vaccum leaks, power is still there... but not sure what it can be, the car is SD and the mods are in my sig, any ideas?
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Old 08-28-2008   #2 (permalink)
maggard25 is offline Rookie


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eolia   Kentucky
Thumbs up have u checked

have you checked your o2 sensor and map sensor yet it could be one of them
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Old 08-28-2008   #3 (permalink)
EagleAutosports is offline Forums Moderator

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Graham   North Carolina
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Default

Considering what you've done to it, the computer may be trying to compensate for that additional airflow it has, especially that cam coupled with speed density. It's meant to work with mass air, I bet that's your problem.
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Old 08-28-2008   #4 (permalink)
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Eagle, you beat me to the cam/sd part. I took your advice and converted to mass air. Car runs great!
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