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Old 12-15-2004, 07:57 PM
90free400e 90free400e is offline
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Join Date: Nov 2003
Location: Charlotte, NCizzle
Posts: 238
How Exactly Do I know if my AMM (MAS, MAF) is bad?

reason i ask is this. I was spraying nitrous on it this past weekend and after a couple times, all of a sudden just started puttering. Thing would barely run. It now idels at 1000 rpms and seems very slow to respond when the gas is pressed and it doesnt shift like it used too. Its a 1993 400e. Ive eliminated the throttle body actuator as the culprit. The thing is, none of the wires are broken. Is there any way to clean them? Can i just reset it? (which ive already tried to no avail). Its also doing 2 things

1) it runs but almost dies with no air filter on it. As soon as i throw a cone filter right on top of it it idles alot better

2) it runs better with the MAF unplugged, but wont run good on the street with it unplugged.

Once again idle is around 1000 rpms, and on deceleration it is very slow to return to 1000 rpms. It also is alot slower in terms of acceleration, but it seems to run ok.
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1993 400e
Charlotte
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