sputtering
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Senior Member
Joined: Nov 2010
Posts: 711
Likes: 1
From: Benton, KY
Year: 1991
Model: Cherokee
Engine: 4.0
ok so i got to thinking...no fire with distributor plugged in... i read earlier that if you unplug the distributor, the ECM will send a signal to the ICM to fire based off preset programs...
if i unplug the distributor, it tries to start about every 4 revolutions of the motor... i'm wondering if the distributor is turning. we had this problem on my buddy's 2.5 XJ and it ended up being the distributor gear was sheared off...
i'm going to check first thing in the morning, kinda hopeing this ISN'T it, as that would mean either the distributor gear is stripped or sheared, the cam is broke (GOD i hope not!), the end of the crank is broke off, or the timing chain is broke...
if i unplug the distributor, it tries to start about every 4 revolutions of the motor... i'm wondering if the distributor is turning. we had this problem on my buddy's 2.5 XJ and it ended up being the distributor gear was sheared off...
i'm going to check first thing in the morning, kinda hopeing this ISN'T it, as that would mean either the distributor gear is stripped or sheared, the cam is broke (GOD i hope not!), the end of the crank is broke off, or the timing chain is broke...
Thread Starter
Senior Member
Joined: Nov 2010
Posts: 711
Likes: 1
From: Benton, KY
Year: 1991
Model: Cherokee
Engine: 4.0
this thing is pissing me off. dizzy is turning.
ICM has power going in, ground is good, seems to be getting signal to fire...BUT there is nothing going out to tell the coil to fire...
bad ICM? anyone care to help, i mean i seem to be talking to myself here!
ICM has power going in, ground is good, seems to be getting signal to fire...BUT there is nothing going out to tell the coil to fire...
bad ICM? anyone care to help, i mean i seem to be talking to myself here!
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