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Post by MudHog on Feb 5, 2012 22:59:30 GMT -5
my 1988 jeep cherokee has developed a miss,,started this mornin,,was runnin fine,,then started missing,,then was fine,,and now has a miss again,,but this time the miss wont go away,,so far i have replaced the cap & rotor,,plugs and plug wires,,nothing has changed,,any ideas would be greatly appreciated
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Post by MudHog on Feb 5, 2012 23:00:17 GMT -5
its a 4.0L,I6
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Post by MudHog on Feb 5, 2012 23:34:32 GMT -5
is it possible that my 02 sensor is bad,,i was just reading some jeep forums about this,,but there is lots to read on why it runs rough
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Post by chevtech on Feb 6, 2012 1:15:44 GMT -5
I have heard of some having a crank sensor issue, I believe it is the top of the bell housing right behind the cylinder head.
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Post by Bri&Bub Off-Road on Feb 6, 2012 1:40:40 GMT -5
we just replaced fuel injectors in a members rig because he had a bad injector o ring. its an easy fix but a good time to upgrade to the neon injectors for a fuel delivery upgrade
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Post by studebaker on Feb 6, 2012 1:48:03 GMT -5
ive had the pick up in dist for spark freak out and cause miss fire when on freeway in my girlfriends wrangler. cost bout 20 bucks might be it.
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Post by MudHog on Feb 6, 2012 16:16:00 GMT -5
so i started cleaning all my connections today(the iac,the mas,the 02 sensor and looking at all connections that would make a jeep run roughly,,and i found a loose connection next to the fuel rail that runs the fuel injectors,,so i cleaned it and put it back together,,,and now it runs great,,so now i have just done a full tune up for no reason,,but glad i got all the new parts anyways,,lol
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Post by Bri&Bub Off-Road on Feb 6, 2012 16:38:55 GMT -5
glad to hear you got it going  save the old tune up parts for spares out on the trail incase you get into some muck. an extra cap and rotor can save you a tow home |
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