setting things straight
Thread Starter
Junior Member
Joined: Apr 2011
Posts: 45
Likes: 0
From: southern utah
Year: 1989
Model: Cherokee
Engine: 4.0
so i have a 1989 cherokee "pioneer" with a 4.0l in it that is having some rough idle issues. so i called up my local 4x4 shop and they said this year didnt even come in a 4.0... so any info on this would be great! i am new to the 4x4 scene
Thread Starter
Junior Member
Joined: Apr 2011
Posts: 45
Likes: 0
From: southern utah
Year: 1989
Model: Cherokee
Engine: 4.0
hmm the guy seemed to be in quite a rush so maybe he wasnt really paying attention. but i have changed air filter, plugs and wires and still am getting a rough idle.. hmmm? do we have check engine lights manz?
CF Veteran
Joined: Mar 2010
Posts: 47,923
Likes: 38
From: Broward County Fl.
Year: 1989 xj sport 2dr
Model: Cherokee
Engine: 12 hole bosch Injectors
no 87 thru 90 are renix rea jeeps there is no check engine light or a way of accessing trouble codes by rough idle do you mean a stutter or idle goes up and down
Thread Starter
Junior Member
Joined: Apr 2011
Posts: 45
Likes: 0
From: southern utah
Year: 1989
Model: Cherokee
Engine: 4.0
well when starting it just is very hesitant... to a point where it almost dies just putting it into gear from park.. just no *****.. but its only like that sometimes
CF Veteran
Joined: Mar 2010
Posts: 47,923
Likes: 38
From: Broward County Fl.
Year: 1989 xj sport 2dr
Model: Cherokee
Engine: 12 hole bosch Injectors
search cleaning iac motor ,here the xj bible down load and enjoyhttp://www.filestube.com/537d2723635...ual-84-93.html
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Senior Member
Joined: Oct 2010
Posts: 842
Likes: 4
From: Everett, WA
Year: 1996
Model: Grand Cherokee
Engine: 5.2L
sounds like a typical auto parts store cashier
CF Veteran
Joined: Oct 2010
Posts: 1,756
Likes: 1
From: Salem Nh
Year: 1998
Model: Cherokee
Engine: 4.0
Theres a write up on here on how to clean ur iac. Are u throwing an codes? have u tryed runnin seafoam throgh it
Last edited by jeepxj19; May 3, 2011 at 07:00 PM.
Thread Starter
Junior Member
Joined: Apr 2011
Posts: 45
Likes: 0
From: southern utah
Year: 1989
Model: Cherokee
Engine: 4.0
yeah what the heck. he sounded so sure of himself too! that kinda bugs me... specially cause its the only 4x4 shop in town!! haha ill try giving my iac a deep cleaning tomorrow in my auto tech class. any other suggestions? im kinda lookin in the dark without my precious obd2
(no codes!)
(no codes!)
CF Veteran
Joined: Mar 2010
Posts: 47,923
Likes: 38
From: Broward County Fl.
Year: 1989 xj sport 2dr
Model: Cherokee
Engine: 12 hole bosch Injectors


