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XJ Ask the Question Thread
Senior Member
Joined: Mar 2011
Posts: 590
Likes: 0
From: Sykesville, MD
Year: 1990
Model: Cherokee
Engine: 4.0 L
I checked the door, all it does is make them flicker now. And by headlight switch do you mean the actual lamp buttons? Cause I check those too and no go.
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 xjknut11
I checked the door, all it does is make them flicker now. And by headlight switch do you mean the actual lamp buttons? Cause I check those too and no go.
is there anyway to check why i dont have power going to my fuel injectors? its on a 2000 jeep cherokee 4.0 ive replaced the crank postion sensor n had to rewire the whole under hood section. turns over strong and got it to kick over with starting fluid but wasnt going to do that much more. i need help on this one
CF Veteran
Joined: Dec 2010
Posts: 1,246
Likes: 1
From: Missouri
Year: 1998
Model: Cherokee
Engine: I6 4.0 L
Originally Posted by sycoglitch
Nah the **** you use to turn the headlights on rotate it and see if they turn off. That's what the other poster was talkin bout
I have a 1997 Jeep Grand Cherokee Lardedo.
The last couple of days, it's had a hard time starting-- it'll turn over, but won't start, or only starts intermittently.
When I got the engine to start, the check engine light came on. I got that checked, and it said I need a new speed sensor. Could the speed sensor be causing the jeep to not start, or is it likely something else?
Also-- where on the engine is the speed sensor located? I want to install it myself, but I can't seem to find where it goes.
Thanks!
The last couple of days, it's had a hard time starting-- it'll turn over, but won't start, or only starts intermittently.
When I got the engine to start, the check engine light came on. I got that checked, and it said I need a new speed sensor. Could the speed sensor be causing the jeep to not start, or is it likely something else?
Also-- where on the engine is the speed sensor located? I want to install it myself, but I can't seem to find where it goes.
Thanks!
☠ CF Sheriff ☠

Joined: Nov 2009
Posts: 15,197
Likes: 18
From: Aberdeen, MD
Year: 1995
Model: Cherokee
Engine: 4.0L HO I-6, 703 Injectors, Brown Dog Super Engine Mounts
I have a 1997 Jeep Grand Cherokee Lardedo.
The last couple of days, it's had a hard time starting-- it'll turn over, but won't start, or only starts intermittently.
When I got the engine to start, the check engine light came on. I got that checked, and it said I need a new speed sensor. Could the speed sensor be causing the jeep to not start, or is it likely something else?
Also-- where on the engine is the speed sensor located? I want to install it myself, but I can't seem to find where it goes.
Thanks!
The last couple of days, it's had a hard time starting-- it'll turn over, but won't start, or only starts intermittently.
When I got the engine to start, the check engine light came on. I got that checked, and it said I need a new speed sensor. Could the speed sensor be causing the jeep to not start, or is it likely something else?
Also-- where on the engine is the speed sensor located? I want to install it myself, but I can't seem to find where it goes.
Thanks!
This guide is on a regular (non-grand) cherokee, but procedure for changing is is very similar.
http://greatlakesxj.activeboard.com/...picID=24211453
AKA the crankshaft position sensor, which is the primary cause of this issue, and is quite common.
This guide is on a regular (non-grand) cherokee, but procedure for changing is is very similar.
http://greatlakesxj.activeboard.com/...picID=24211453
This guide is on a regular (non-grand) cherokee, but procedure for changing is is very similar.
http://greatlakesxj.activeboard.com/...picID=24211453
I don't think that's the same part I'm talking about... I mean one of these bad boys:
http://images.wrenchead.com/smartpag.../STA/sc123.jpg
☠ CF Sheriff ☠

Joined: Nov 2009
Posts: 15,197
Likes: 18
From: Aberdeen, MD
Year: 1995
Model: Cherokee
Engine: 4.0L HO I-6, 703 Injectors, Brown Dog Super Engine Mounts
regardless of what that part is (or if your jeep even has one), the crank sensor is what is causing your issue
CF Veteran
Joined: Dec 2010
Posts: 6,880
Likes: 0
From: Frederick, Maryland
Year: 1996
Model: Cherokee
Engine: 4.0 I-6 High output
Alright guys, tomorrow is the big water pump change day for me. I'm also replacing the lower rad hose and the upper inlet tube. I will also be doing a crazy hardcore radiator flush! I'm sick of driving with my heat on! I've read the Haynes manual on the water pump replacement at least 1000 times! Any last minute advice or tips for me?? Oh yeah its also going to be only like 103 degrees, should be nice!


: sweatdrop:



: sweatdrop:
Seasoned Member
Joined: Aug 2010
Posts: 390
Likes: 0
From: Ashburn, VA
Year: 2000
Model: Cherokee
Engine: 4.0
Hi, I went to the Deleware beaches this past weekend and my jeep had issues with 4wd. Its seems like the light that lights up on dash is not in sink with what I'm driving in, and it doesn't seem like it's fully engaged in gear. It overheated and I had issues getting it back into 2wd. Can somebody help me understand and fix this problem? or do I have to take it to a tranny shop? 
2000 XJ 6.5 RC long arm
2000 XJ 6.5 RC long arm
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 Bohnett
Hi, I went to the Deleware beaches this past weekend and my jeep had issues with 4wd. Its seems like the light that lights up on dash is not in sink with what I'm driving in, and it doesn't seem like it's fully engaged in gear. It overheated and I had issues getting it back into 2wd. Can somebody help me understand and fix this problem? or do I have to take it to a tranny shop? 
2000 XJ 6.5 RC long arm
2000 XJ 6.5 RC long arm
CF Veteran
Joined: Jan 2011
Posts: 1,762
Likes: 0
From: Randoph ohio!
Year: 98
Model: Cherokee
Engine: 4.0L
Originally Posted by sycoglitch
Just a few basic questions. What TC do you have, np231 or 242? if the np231 at wat speed did you shift into 4wd. Did you donor alot? Just wanna get a good pic. Could just easily be the linkage




