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XJ Ask the Question Thread
Newbie
Joined: Jun 2011
Posts: 5
Likes: 0
From: Alamo,TN
Year: 91
Model: Cherokee
Engine: 4.0
I have 91 Cherokee 4.0 mostly stock when the temp outside begins to cool I say around 40-45 its real hard to start. The fuel pump doesn't run nor does it fire but if I continuously hold the starter for extended time it will gradually hit off then it will sputter and in like its dropping crank signal but continues to run my question is why does temp have a role and why does it not fire or run fuel pump?
PS I have access to snap on solus but no codes present when it does this
PS I have access to snap on solus but no codes present when it does this
Anyone have an idea to my problem
CF Veteran
Joined: Sep 2010
Posts: 12,692
Likes: 6
From: Mercer County, NJ
Year: 2001
Model: Cherokee
Engine: 4.0L I6 HO
Originally Posted by NewKindOfClown
As they said, Zone or Rubicon Express if you can afford it.
Seasoned Member
Joined: Oct 2012
Posts: 444
Likes: 0
From: CA
Year: 1990
Model: Cherokee
Engine: 4.0L Inline 6
to be honest u might have a leakin the roof. it might be ur doors seals. i know it makes no sense to me either...
Last edited by jeeperscreepers92; Nov 24, 2012 at 02:02 PM. Reason: corrrection...ihate my keyboard
Newbie
Joined: Nov 2012
Posts: 2
Likes: 0
Model: Cherokee
my jeep is misfires/ sputters on accell. engin shakes a lil if you idle up and look at it under hood. change all ignition from coil cap button plugs wires. obd 2 says my timing is off or crank position sensor is instoled wrong i never changed i cleaned all connections have been told its tps fuel pump distributer pickup.... heellllllp!!
Seasoned Member
Joined: Oct 2012
Posts: 444
Likes: 0
From: CA
Year: 1990
Model: Cherokee
Engine: 4.0L Inline 6
my jeep is misfires/ sputters on accell. engin shakes a lil if you idle up and look at it under hood. change all ignition from coil cap button plugs wires. obd 2 says my timing is off or crank position sensor is instoled wrong i never changed i cleaned all connections have been told its tps fuel pump distributer pickup.... heellllllp!!
CF Veteran
Joined: Jul 2009
Posts: 2,522
Likes: 0
From: New Jersey
Year: 2000
Model: Cherokee
Engine: l6 HO
You can go to your local Chrysler dealer and get those o rings for like 4 bucks for the oil filter adapter. Very cheap and they ALL leak. But it's hard to get to so you might want to make one of these...
T40 socket hacked in half and welded on an open end wrench. Find a longer one.. You'll be able to get more leverage. And trust me that one bolt is in there tight!
Newbie
Joined: Nov 2012
Posts: 2
Likes: 0
From: Oregon
Year: 1989
Model: Cherokee
might be an alternater issue. cleanout the IAC. clean all port injectors and check the clutch fan.
when removin the IAC. do it very carefully. its just two screws. but when u pull it out. be very careful to not move the plunger in or out. take a old toothbrush and some brakes parts cleaner(not sold anymore so u will have to find a nieghbor who has some) or carb cleaner and clean all the grime off. clean air filter. or replace it. check distributer wires for breaks or shorts. How many miles does the jeep have? and check vacuum lines. you made a wise choice by comin to CF.com. iknow yaho answers was NOT helpful s most of the mechaincs onthere arent XJ owners and dont know how AWESOME these jeeps are and would call it a lemon.
when removin the IAC. do it very carefully. its just two screws. but when u pull it out. be very careful to not move the plunger in or out. take a old toothbrush and some brakes parts cleaner(not sold anymore so u will have to find a nieghbor who has some) or carb cleaner and clean all the grime off. clean air filter. or replace it. check distributer wires for breaks or shorts. How many miles does the jeep have? and check vacuum lines. you made a wise choice by comin to CF.com. iknow yaho answers was NOT helpful s most of the mechaincs onthere arent XJ owners and dont know how AWESOME these jeeps are and would call it a lemon.
CF Veteran
Joined: Apr 2011
Posts: 14,553
Likes: 1
From: Carrollton, GA
Year: 1994
Model: Cherokee
Engine: Inline 6 4.0L High Output
Honestly you might as well just knock them all out. They all leak unfortunately. That's what I did. The gaskets aren't very expensive. Assuming your doing the work yourself its a great idea and piece of mind.
You can go to your local Chrysler dealer and get those o rings for like 4 bucks for the oil filter adapter. Very cheap and they ALL leak. But it's hard to get to so you might want to make one of these...
T40 socket hacked in half and welded on an open end wrench. Find a longer one.. You'll be able to get more leverage. And trust me that one bolt is in there tight!
You can go to your local Chrysler dealer and get those o rings for like 4 bucks for the oil filter adapter. Very cheap and they ALL leak. But it's hard to get to so you might want to make one of these...
T40 socket hacked in half and welded on an open end wrench. Find a longer one.. You'll be able to get more leverage. And trust me that one bolt is in there tight!
Seasoned Member
Joined: Oct 2012
Posts: 444
Likes: 0
From: CA
Year: 1990
Model: Cherokee
Engine: 4.0L Inline 6
Thanks for the info. I will run it by my husband. Last night he went ahead and cleaned the idle air sensor..said it was pretty grubby. Interesting thought on the air filter; which we have replaced before fixing rear main. Looks to be nasty again, so probably should get a new one, now that the oil leak is gone. It has 195,000 miles on it, the owner was a family friend who passed away suddenly. He was in the middle of fixing it up-used it for hunting and getting to work. Know anything about the crankshaft postioning sensor? He had it earmarked in the Jeep manual. We previously had a 1990 Cherokee Laredo and loved it! Great in the snow..my daughter is excited to have one now, but we don't want her breaking down all over the place..
hmm i dont know much about the crankshaft pos sensor.
@NewKindOfClown:any ideas?
CF Veteran
Joined: Sep 2011
Posts: 10,447
Likes: 0
From: Frederick, MD
Year: 1989
Model: Cherokee
Engine: 4.0
Originally Posted by NewJerseyXJ609
Honestly you might as well just knock them all out. They all leak unfortunately. That's what I did. The gaskets aren't very expensive. Assuming your doing the work yourself its a great idea and piece of mind.
You can go to your local Chrysler dealer and get those o rings for like 4 bucks for the oil filter adapter. Very cheap and they ALL leak. But it's hard to get to so you might want to make one of these...
T40 socket hacked in half and welded on an open end wrench. Find a longer one.. You'll be able to get more leverage. And trust me that one bolt is in there tight!
Seasoned Member
Joined: Oct 2012
Posts: 444
Likes: 0
From: CA
Year: 1990
Model: Cherokee
Engine: 4.0L Inline 6
Honestly you might as well just knock them all out. They all leak unfortunately. That's what I did. The gaskets aren't very expensive. Assuming your doing the work yourself its a great idea and piece of mind.
You can go to your local Chrysler dealer and get those o rings for like 4 bucks for the oil filter adapter. Very cheap and they ALL leak. But it's hard to get to so you might want to make one of these...
T40 socket hacked in half and welded on an open end wrench. Find a longer one.. You'll be able to get more leverage. And trust me that one bolt is in there tight!
You can go to your local Chrysler dealer and get those o rings for like 4 bucks for the oil filter adapter. Very cheap and they ALL leak. But it's hard to get to so you might want to make one of these...
T40 socket hacked in half and welded on an open end wrench. Find a longer one.. You'll be able to get more leverage. And trust me that one bolt is in there tight!
CF Veteran
Joined: Apr 2011
Posts: 14,553
Likes: 1
From: Carrollton, GA
Year: 1994
Model: Cherokee
Engine: Inline 6 4.0L High Output
