Fuel Pump Issue, help
Thread Starter
Member
Joined: Oct 2010
Posts: 130
Likes: 0
Year: 1987/1989
Model: Cherokee
Engine: Straight 6 4.0l
my 87 died a few months back. so a near by shop drove over and hooked up some kind of scanner, idk if thats how he figured out my problem but it helped i guess. my ICM went on on it so i just replaced that one on the 87
Thread Starter
Member
Joined: Oct 2010
Posts: 130
Likes: 0
Year: 1987/1989
Model: Cherokee
Engine: Straight 6 4.0l
Thread Starter
Member
Joined: Oct 2010
Posts: 130
Likes: 0
Year: 1987/1989
Model: Cherokee
Engine: Straight 6 4.0l
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
if it does swap the parts i told you idont loose track which part cam off which truck their is also a module in the dist and a crank sensor bolted to the top of transmission mines standard not sure yours in same olac switch those untill it starts it pays to have 2 xj i have a 94 also
Thread Starter
Member
Joined: Oct 2010
Posts: 130
Likes: 0
Year: 1987/1989
Model: Cherokee
Engine: Straight 6 4.0l
if it does swap the parts i told you idont loose track which part cam off which truck their is also a module in the dist and a crank sensor bolted to the top of transmission mines standard not sure yours in same olac switch those untill it starts it pays to have 2 xj i have a 94 also
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
swap the module in the dist i think it just a couple of screws or do the whole dist bu mark some wher which way the rotor was pointing you have to put them in the sam spot they came out
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
i think you got the idea now ive got to get some sleep make sure you make marks on the rotors and block or some wher as an alingmet mark to reinstall in same place or they will not start
Thread Starter
Member
Joined: Oct 2010
Posts: 130
Likes: 0
Year: 1987/1989
Model: Cherokee
Engine: Straight 6 4.0l
Last edited by 87p89lCherokee; Oct 14, 2010 at 02:34 AM.
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
if you have spark is their gas in the xj in the begining you said you had spark for just a second and then it was week im confused under the dash ic the computer by the drivers knee swap that
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
just wondering how you did i did the neon injector swap today it works i put 703s in mine big difference i still think you should swap the dist just to make sure
Old Skewl CF like a Sir
Joined: Feb 2008
Posts: 4,355
Likes: 3
From: Fort Myers, FL
Year: 1996
Model: Cherokee
Engine: 4.0L High Output OBDII
Pressure at the rail? I'm an old school H.O guy, these Renix are like new territory for me lol.
Subscribed to see the outcome though. Good luck!
Subscribed to see the outcome though. Good luck!


