98 cherokee help
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Junior Member
Joined: Oct 2009
Posts: 68
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From: Attica, Indiana
Year: 1989
Model: Comanche
Engine: 4.0
98 cherokee help
98 xj aw4
My first automatic xj so might be normal but just wanting to confirm. When you are driving down the road, gear nor rpm seam to matter, and you completely let off of gas pedal, rpms will drop off quickly. It will drop to 700 and then bump back up to normal 1100 or so rpm. I just bought it a week ago and just started doing this today. Any suggestions? Thanks!
My first automatic xj so might be normal but just wanting to confirm. When you are driving down the road, gear nor rpm seam to matter, and you completely let off of gas pedal, rpms will drop off quickly. It will drop to 700 and then bump back up to normal 1100 or so rpm. I just bought it a week ago and just started doing this today. Any suggestions? Thanks!
Member
Joined: Sep 2013
Posts: 104
Likes: 0
From: Thurston County WA.
Year: 1990
Model: Cherokee
Engine: 4.0 HO
could be that your TPS is going out.
the tps registers when you suddenly let off the throttle and will shut the injectors off so that the engine will slow down quicker IE, slamming on the brakes and the engine wont keep you moving.
it shouldnt act like it is going to die. but it should go back down to a normal idle rpm.
the tps registers when you suddenly let off the throttle and will shut the injectors off so that the engine will slow down quicker IE, slamming on the brakes and the engine wont keep you moving.
it shouldnt act like it is going to die. but it should go back down to a normal idle rpm.
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Big Ray
Stock XJ Cherokee Tech. All XJ Non-modified/stock questions go here
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Aug 27, 2015 08:54 PM
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