Mind of its own
04-06-2010, 10:31 AM
#1
Member
Thread Starter
Join Date: Jan 2010
Location: St Augustine, Fl
Posts: 189
Likes: 0
Received 0 Likes
on
0 Posts
Year: 1999
Model: Cherokee
Engine: 4.0 Power Tech
Mind of its own
My jeep has gotten to where it only runs when it wants to. It dies on the road and will not start at times. I have replaced the CPS, ECM, fuel pump relay and fuses. The fuel pump and fuel line appears to be fairly new because of the clean wiring harness going to the pump and shiny fuel line. When it won't start I do not get any power on pins 1 & 6 ( ground and output from puel pump relay ) at the fuel pump wire harness plug. If I don't find a solution I will have to take it to the Jeep dealer soon. I belive it dies due to fuel pump being shut down.
04-06-2010, 11:26 AM
#3
Senior Member
Join Date: Feb 2010
Location: Alto, MI
Posts: 938
Likes: 0
Received 1 Like
on
1 Post
Year: 2002
Model: Grand Cherokee
Engine: 4.7
yup, sounds like you are having a bad wire connection somewhere. try cleaning up all of your connectors and see if that does the trick.
04-06-2010, 10:56 PM
#4
Member
Thread Starter
Join Date: Jan 2010
Location: St Augustine, Fl
Posts: 189
Likes: 0
Received 0 Likes
on
0 Posts
Year: 1999
Model: Cherokee
Engine: 4.0 Power Tech
wiring
I started pulling and pushing connectors around with the Jeep running, the plug on the ecm, the grey one, when I pushed it the Jeep started to die. I don't have a jix yet but I know were to look.
Thread
Thread Starter
Forum
Replies
Last Post
cpnwrench
Stock XJ Cherokee Tech. All XJ Non-modified/stock questions go here
13
02-15-2024 08:09 AM
Cane
Stock XJ Cherokee Tech. All XJ Non-modified/stock questions go here
23
12-11-2015 11:09 AM
xjcarolina
Stock XJ Cherokee Tech. All XJ Non-modified/stock questions go here
5
09-29-2015 08:43 PM
Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)