XJ fires up then dies immediately.
Thread Starter
CF Veteran
Joined: Oct 2008
Posts: 1,052
Likes: 0
From: Wyo
Year: 1996
Model: Cherokee
My 96 XJ with the AX-15 will occasionally fire up then die immediately. After a few times keying it over, it will take and drive like nothing is wrong. What gives? I find also that if I gas it when keying it over, will usually always stay running. This has been happening for a few months (although it has been getting worse) so it shouldn't be bad gas.
What are possible causes?
I need all the help I can get.
s
What are possible causes?
I need all the help I can get.
s
CF Veteran




Joined: Nov 2010
Posts: 5,841
Likes: 117
From: In the middle of Minnesota!
Year: 1999
Model: Cherokee
Engine: 4.0
Two things that come to mind include a "marginal" battery, and a faulty throttle position sensor.
1. Load test the battery. Any parts store will do this for you for free.
2. Test your throttle position sensor
3. And as a matter of course, be sure all tuneup hardware is fresh (plugs, wires, cap, rotor)
1. Load test the battery. Any parts store will do this for you for free.
2. Test your throttle position sensor
3. And as a matter of course, be sure all tuneup hardware is fresh (plugs, wires, cap, rotor)
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