DirtyJeepGuy Posted February 6, 2015 Share Posted February 6, 2015 Hey! Bought a 86 MJ from a couple that use to run and drive fine. Now it won't. They say it cranks and won't fire. Any ideas before i dig in? I'm gunna check fuel/spark/air of course. But any other suggestions on this? Link to comment Share on other sites More sharing options...
DirtyJeepGuy Posted February 6, 2015 Author Share Posted February 6, 2015 Its a 2.5l TBI if that helps. Link to comment Share on other sites More sharing options...
yxmj Posted February 6, 2015 Share Posted February 6, 2015 CPS Link to comment Share on other sites More sharing options...
88whitemanche Posted February 6, 2015 Share Posted February 6, 2015 Check the output to the cps with a multimeter before replacing it.... It could be as simple as a loose ground cable Do cruisers renix tips before anything though.... http://comancheclub.com/topic/36382-cruisers-renix-tips/ Link to comment Share on other sites More sharing options...
DirtyJeepGuy Posted February 6, 2015 Author Share Posted February 6, 2015 I ordered a CPS just to be safe. I know i shouldnt "toss parts at it" but I'm only ordering a cps because id hate to diagnose it and it be that and have to wait another week for the part to arrive. Link to comment Share on other sites More sharing options...
DirtyJeepGuy Posted February 9, 2015 Author Share Posted February 9, 2015 I replaced the CPS. They had plug wires out of order. It cranked and ran. Shut it off. Now the coil has about 11.40 volts. No volts from the distributor. Any ideas? Link to comment Share on other sites More sharing options...
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