i just ran it down the road ,with 1 screen and the pipe off it after the maf and i cut the exhaust pipe after the GUTTED CAT ,and it still is running way rich .when i start the car i can still see and smeel the fuel from the exit of the exhaust.the car idles pretty smooth and cruises great but,when i mash down the throttle pedal it stumbles really hard then it comes on but not real strong ."i'm shaking my head right now ,saying it must need a aftermarket chip for all that extra fuel the engine is seeing right now. frown
the screens are used to strighten out the air so the resitors the small wires that run up and down in the throat of the maf), can measure flow by the temp drop as the air passes over them removing the screenes distortes the flow over the resistores resulting in a false reading to the cpu this causes the rich problem you are now faced with.
i have had the rich problem before i took 1 maf screen out ;i just took 1 screen out the other day just to see if i could lesson up the air flow restriction.i did not see any improvement though. powersix
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