Run away RPMs

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JohnnyRC

Junior Member
Joined
Nov 3, 2019
Posts
4
Reaction score
0
Location
Dalton
Ram Year
1990
Engine
3.9 Liter Magnum V6
I've got a 1990 D150 with a 3.9 Magnum v6 and after working on the TBI system the truck will start and then start to rev up without throttle input. any ideas
 
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