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1980 - 1986 Bullnose F100, F150 & Larger F-Series Trucks Discuss the Early Eighties Bullnose Ford Truck

shoulda left it alone

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Old Oct 25, 2004 | 07:33 AM
  #1  
motorheadmach1's Avatar
motorheadmach1
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From: nowhere town nj
shoulda left it alone

ok last weekend i pulled my upper intake off to fix an injector o-ring, and while i had things apart i decided to replace the throttle position sensor. aparantly i did that wrong. the idle is a little high, and the biggest problem i onlt have about half power. truck runs well at idle when i open up the throttle it hesiates, alot. and when im driving if i put the pedal on the floor it has what sounds to me like a backfire through the intake and seems to have a bit of a lean misfire. how do i calibrate the tps or whatever i have o do to make it work?
 
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Old Oct 25, 2004 | 07:10 PM
  #2  
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motorheadmach1
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From: nowhere town nj
anyone know, or knwo where i can go to find out. id hate to take it to the ford dealer they want too much money.
 
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Old Oct 26, 2004 | 06:28 AM
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Chrome77
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From: Kansas
Check to see if it is adjustable, most replacements are. If I remember correctly when you hook a digital VOM to it, the output voltage at closed throttle should be 0. if not, adjust until it is.

Chrome
 
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Old Oct 26, 2004 | 08:44 AM
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motorheadmach1
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From: nowhere town nj
thanks ill give that a try tomorow
 
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Old Oct 26, 2004 | 05:56 PM
  #5  
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locknkey
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From: Right Next to U
You may still have a vaccum leak if the idle is too high, check your rubber hoses and around the intake.
 
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