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Old November 20th, 2011, 02:28 AM   #21
jeepguy74
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Quote:
Originally Posted by trailrail302 View Post
I just read something that the belt tensioner pulley could cause this??? Mine has a bit of movement in it. (moves about 1/4" while it is running) This sounds very strange to me but could the random misfire have anything to do with the belt tensioner being bad?
well yes in a way...
the reason is the motor has a knock sensor (spark knock)and the rattle of the tension pully can cause the computer to retard the timing.. in theory that is ....
un plug the sensor it is on the drivers side of the motor by the center cyl..
sounds strange but what the heck wont cost anything to try this
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Old December 8th, 2011, 08:18 PM   #22
97jeepcherokee
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i agree with toyfish, these are known for bad distributors and have no adjustment, also autozone ignition parts are trash. ive done maintence tune ups with zone shit and they ran worse than when it came in.... put delco plugs in it, delphi cap and rotor and a good set of wires, more than likely you will need a distributor also, pull it and check for gear wear on the distributor gear.
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