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Old 07-25-2009   #4
XfireZ51
 
Join Date: May 2007
Location: Chicagoland, IL
Posts: 9,686
Default Re: Rough Idle/Hesitation/Backfire

Quote:
Originally Posted by tomtom72 View Post
Gary, I have a 90 and I know for sure that my TPS is adjustable...to what degree I don't know, but the screws that hold it in place are in slotted holes, therefore I conclude it's adjustable.

You may want to look closely at those screws as you maybe able to make an adjustment. If you say that the needle on the VOM moves thru it's sweep at a smooth progression then maybe an adjustment is in order.

Just a fwiw, try it, in the end you can always go spend the money if the adjustment don't work.


Tom
Gary

As TT has said, loosen the TWO bolts on the side of the TPS and adjust with IGN ON so the DVM reads about .54v. Then tighten bolts
and check WOT TPS signal. Should be at 4.5v or higher. If not,
swap in new TPS.
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