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Old 01-26-2014, 05:17 PM   #8
MMGT1
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No codes I take it? Have you tried scanning for stored codes at all to see if something did pop a code and not illuminate the dash? There are a few in there that would be set to no MIL light from factory and you may find something if you check. Just an idea. Other than that, O2 sensor, charcoal canister, plugged cat, cracked manifold or a bitched MAP would be my first concerns. There are many reasons your mileage could go to hell, something as simple as a couple of fouled plugs or a set of boots or coils needing replacing could be it as well, even a plugged air filer!
Another one to check is the dam fuel pressure regulator, that is a common one too
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Last edited by MMGT1 : 01-26-2014 at 05:21 PM.
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