1988 cherokee just died
01-02-2014, 04:47 PM
#1
Newbie
Thread Starter
Join Date: Jan 2014
Location: iowa
Posts: 15
Likes: 0
Received 0 Likes
on
0 Posts
Year: 1988
Model: Cherokee
Engine: 4.0
1988 cherokee just died
I have a 1988 jeep Cherokee 4.0 fuel injected 5 speed. I was driving down the road and it started to putter then just died on me. now it starts but it just putters and acts like it has now engine power. I changed the plugs but I just don't no. I could use some ideas fellas. thanks
01-02-2014, 05:17 PM
#2
CF Veteran
Join Date: Mar 2010
Location: Broward County Fl.
Posts: 47,923
Likes: 0
Received 22 Likes
on
22 Posts
Year: 1989 xj sport 2dr
Model: Cherokee
Engine: 12 hole bosch Injectors
Id check fuel pressure first off seeing it runs .Theres a small ceramic resistor on drivers fender that supplys power to fuel pump bypass it see if any thing changes....
Last edited by freegdr; 01-02-2014 at 05:20 PM.
01-02-2014, 07:03 PM
#4
Member
Join Date: Nov 2013
Location: Alaska
Posts: 111
Likes: 0
Received 0 Likes
on
0 Posts
Year: 1988
Model: Cherokee
Engine: 4.0L In Line 6
When My first 88 would do that, it was the TPS. Starts up and idles fine, but when you give the gas everything would go to FeeFee.
01-02-2014, 07:52 PM
#5
::CF Moderator::
Join Date: Aug 2011
Location: Prescott, Az
Posts: 43,875
Received 1,526 Likes
on
1,238 Posts
Year: 1990
Model: Cherokee (XJ)
Engine: 4.0
What did the old plugs look like? Real black? If so:
MAP sensor tube
There is a brittle little tube. It comes out of a rubber plug, low on the engine side of the throttle body. It runs back to the firewall, then up to your MAP sensor, behind the valve cover, higher up on the firewall. It has one vacuum line as already mentioned, with a 3-wire plug in the bottom.
CRUCIAL!! The MAP sensor will tell the ECU to dump fuel with little to no vacuum to the MAP. Any crack or blockage and it will be pig-rich. ( black smoke, fouled black plugs, must hold your foot to the floor to keep the engine running). You can pull the line off the MAP sensor and feel for vacuum with your finger. If it runs!
A visual inspection usually reveals any issues with the line from the throttle body to the MAP sensor.
MAP sensor tube
There is a brittle little tube. It comes out of a rubber plug, low on the engine side of the throttle body. It runs back to the firewall, then up to your MAP sensor, behind the valve cover, higher up on the firewall. It has one vacuum line as already mentioned, with a 3-wire plug in the bottom.
CRUCIAL!! The MAP sensor will tell the ECU to dump fuel with little to no vacuum to the MAP. Any crack or blockage and it will be pig-rich. ( black smoke, fouled black plugs, must hold your foot to the floor to keep the engine running). You can pull the line off the MAP sensor and feel for vacuum with your finger. If it runs!
A visual inspection usually reveals any issues with the line from the throttle body to the MAP sensor.
01-02-2014, 08:32 PM
#7
Junior Member
Join Date: Feb 2013
Location: Carrollton Georgia
Posts: 51
Likes: 0
Received 0 Likes
on
0 Posts
Year: 1989 Jeep Cherokee
Model: Cherokee
Engine: 4.0L I6 EFI "Power Tech" - 177 hp @ 4750 rpm, 220 ft lb @ 4000 rpm
did you check your radiatorit probably overheated and stalled
Trending Topics
01-02-2014, 08:33 PM
#8
CF Veteran
Join Date: Oct 2011
Location: Bakersfield CA
Posts: 1,268
Likes: 0
Received 1 Like
on
1 Post
Year: 1990
Model: Cherokee (XJ)
Engine: 4.0
What did the old plugs look like? Real black? If so:
MAP sensor tube
There is a brittle little tube. It comes out of a rubber plug, low on the engine side of the throttle body. It runs back to the firewall, then up to your MAP sensor, behind the valve cover, higher up on the firewall. It has one vacuum line as already mentioned, with a 3-wire plug in the bottom.
CRUCIAL!! The MAP sensor will tell the ECU to dump fuel with little to no vacuum to the MAP. Any crack or blockage and it will be pig-rich. ( black smoke, fouled black plugs, must hold your foot to the floor to keep the engine running). You can pull the line off the MAP sensor and feel for vacuum with your finger. If it runs!
A visual inspection usually reveals any issues with the line from the throttle body to the MAP sensor.
MAP sensor tube
There is a brittle little tube. It comes out of a rubber plug, low on the engine side of the throttle body. It runs back to the firewall, then up to your MAP sensor, behind the valve cover, higher up on the firewall. It has one vacuum line as already mentioned, with a 3-wire plug in the bottom.
CRUCIAL!! The MAP sensor will tell the ECU to dump fuel with little to no vacuum to the MAP. Any crack or blockage and it will be pig-rich. ( black smoke, fouled black plugs, must hold your foot to the floor to keep the engine running). You can pull the line off the MAP sensor and feel for vacuum with your finger. If it runs!
A visual inspection usually reveals any issues with the line from the throttle body to the MAP sensor.
^^^ this.
01-09-2014, 05:04 PM
#10
::CF Moderator::
Join Date: Aug 2011
Location: Prescott, Az
Posts: 43,875
Received 1,526 Likes
on
1,238 Posts
Year: 1990
Model: Cherokee (XJ)
Engine: 4.0
Thread
Thread Starter
Forum
Replies
Last Post
XJ ONLY
Stock XJ Cherokee Tech. All XJ Non-modified/stock questions go here
8
01-26-2019 06:30 PM
95cherokee89
Stock XJ Cherokee Tech. All XJ Non-modified/stock questions go here
59
10-16-2015 03:17 AM
Batman33165
Stock XJ Cherokee Tech. All XJ Non-modified/stock questions go here
7
08-27-2015 02:20 PM
csmith237
Stock XJ Cherokee Tech. All XJ Non-modified/stock questions go here
2
08-24-2015 12:54 PM
Trail-Trekker
Stock XJ Cherokee Tech. All XJ Non-modified/stock questions go here
0
08-20-2015 06:26 PM
Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)