Starting Issue - JeepForum.com
Search  
Sign Up   Today's Posts
User: Pass: Remember?
Advertise Here
Jeep Home Jeep Forum Jeep Classifieds Jeep Registry JeepSpace Jeep Reviews Jeep Gallery Jeep Clubs Jeep Groups Jeep Videos Jeep Events Jeep Articles
Go Back JeepForum.com > Models > Jeep Cherokee & Comanche Forums > XJ Cherokee Technical Forum > Starting Issue

Rockridge 4WD IS Taking Zone Offroad Suspension Lift Kits JEEP Gear Change Packages From ROCKRIDGE 4WD. We Are DIFFIron Cross Customer JK and TJ Wrangler Bumpers now at ROCK

Reply
Unread 10-10-2013, 10:43 AM   #1
RL-139
Registered User
1996 XJ Cherokee 
 
Join Date: Mar 2009
Location: Rhode Island, Rhode Island
Posts: 20
Starting Issue

I know there are a million threads on xj starting issuesbut i cant seem to find one relating to my issue.

So i went to go to work yesterday morning & she wouldnt start, I went through all the standards, Air was ok, I had spark which leaves fuel so i hit it with some sarting fluid & she fired up & died right out. Later in the evening I had my wife ohp in shut the door & turn the key on while i listned for the fuel pump & nothing.

The temp didnt drop below 50 over wednesday night.
This morning I went & picked up my multi-meter & new fuel pump, When I got back for ****s & giggles I gave it another shot & she fired right up several times & I can hear the pump kick on.

Any Thoughts?

__________________
http://www.oceanstatejeepsters.com
96 XJ Country
RL-139 is offline   Reply With Quote Quick reply to this message
Unread 10-10-2013, 12:47 PM   #2
tjwalker
It's the crank sensor!
 
tjwalker's Avatar
1999 XJ Cherokee 
 
Join Date: Nov 2007
Location: Central Minnesota, MN
Posts: 8,514
There is a "relay" for the fuel pump in the power distribution center, the black box under the hood on the passenger side.

Before you install that new fuel pump, you might try swapping the fuel pump relay with a non-critical relay and see if that resolves it. These relays are all the same part number so no issue with swapping.

If a relay swap takes care of your problem, then replace the suspect relay.
__________________
99 Cherokee, 4.0 AW4, NP242
Past Jeeps: 49 Willys, 81 Scrambler, 88 Comanche
Without "data", all you have is an opinion!
tjwalker is offline   Reply With Quote Quick reply to this message
Unread 10-10-2013, 02:20 PM   #3
RL-139
Registered User
1996 XJ Cherokee 
 
Join Date: Mar 2009
Location: Rhode Island, Rhode Island
Posts: 20
Quote:
Originally Posted by tjwalker View Post
There is a "relay" for the fuel pump in the power distribution center, the black box under the hood on the passenger side.

Before you install that new fuel pump, you might try swapping the fuel pump relay with a non-critical relay and see if that resolves it. These relays are all the same part number so no issue with swapping.

If a relay swap takes care of your problem, then replace the suspect relay.
That was one of the first things i tried.
this just doesnt make sence to me
__________________
http://www.oceanstatejeepsters.com
96 XJ Country
RL-139 is offline   Reply With Quote Quick reply to this message
Unread 10-10-2013, 02:27 PM   #4
MrB
Registered User
2006 TJ Wrangler 
 
Join Date: Jan 2009
Location: Hagerstown, Maryland
Posts: 179
A fuel pump can go bad intermittently. If you were turning the key and not hearing the fuel pump it was either in a deadspot as far as the fuel pump motor is concerned or it wasn't getting power. If you tried swapping the relay and nothing happened I'd be looking at the fuel pump.
MrB is offline   Reply With Quote Quick reply to this message
Unread 10-10-2013, 06:41 PM   #5
tjwalker
It's the crank sensor!
 
tjwalker's Avatar
1999 XJ Cherokee 
 
Join Date: Nov 2007
Location: Central Minnesota, MN
Posts: 8,514
Quote:
Originally Posted by RL-139 View Post
That was one of the first things i tried.
this just doesnt make sence to me
You should post everything you have tried; failure to do so makes for going "the long way around".....

Replace your fuel pump assembly if all wiring checks out with a thorough inspection.
__________________
99 Cherokee, 4.0 AW4, NP242
Past Jeeps: 49 Willys, 81 Scrambler, 88 Comanche
Without "data", all you have is an opinion!
tjwalker is offline   Reply With Quote Quick reply to this message
Reply

Tags
fuel , starting trouble , xj

Quick Reply
Message:
Options

Register Now

In order to be able to post messages on the JeepForum.com forums, you must first register.
Please enter your desired user name, your email address and other required details in the form below.
User Name:
Password
Please enter a password for your user account. Note that passwords are case-sensitive.
Password:
Confirm Password:
Email Address
Please enter a valid e-mail address for yourself.
Note: All free e-mails have been banned due to mis-use. (Yahoo, Gmail, Hotmail, etc.)
Don't have a non-free e-mail address? Click here for a solution: Manual Account Creation
Email Address:

Log-in

Human Verification

In order to verify that you are a human and not a spam bot, please enter the answer into the following box below based on the instructions contained in the graphic.


Thread Tools






Jeep, Wrangler, Cherokee, Grand Cherokee, and other models are copyrighted and trademarked to Jeep/Chrysler Corporation. JeepForum.com is not in any way associated with Jeep or the Chrysler Corp.