comanche32 Posted August 18, 2011 Share Posted August 18, 2011 thanx for the input guys I went ahead and bought the 90 comanche can't wait to start in on it. I saved it from a life in a barn goin to waste. truck has all the original paperwork. Ilooked it over and the good is the only rust is 1 small hole above the fender. the bad needs fuel pump emission light is on and the power steering pump is leaking. not horrible for a 21 year old truck thanx for all the input and I'm sure i will have more questions along the way. when I get time I will post some pix Link to comment Share on other sites More sharing options...
ParadiseMJ Posted August 18, 2011 Share Posted August 18, 2011 great!! Welcome. The emissions light on a 90 MJ is just a timer. It kicks on when the thing reaches a certain mileage. Has nothing to do with an emissions "problem". P/S pump is easy to replace. Sounds good...you'll find more as you go...good luck. Link to comment Share on other sites More sharing options...
jeepsouth Posted August 18, 2011 Share Posted August 18, 2011 Welcome aboard! Link to comment Share on other sites More sharing options...
maddzz1 Posted August 18, 2011 Share Posted August 18, 2011 great!! Welcome. The emissions light on a 90 MJ is just a timer. It kicks on when the thing reaches a certain mileage. Has nothing to do with an emissions "problem". P/S pump is easy to replace. Sounds good...you'll find more as you go...good luck. This is correct. Just unplug the emission maint. timer and throw it away. Link to comment Share on other sites More sharing options...
dasbulliwagen Posted August 18, 2011 Share Posted August 18, 2011 I think that timer is supposed to remind you to replace your O2 sensor, and if your truck has been sitting for a while it might need a new one anyways. Mine sat for 4 years before I got it, and it ran like crap, till I replaced the O2 sensor (and other things, but the O2 sensor put it over the top to a good running truck) Link to comment Share on other sites More sharing options...
comanche32 Posted August 26, 2011 Author Share Posted August 26, 2011 well guys I started working on the jeep come to find out it wasnt the fuel pump it. before I got it the inlaws put new plugs wires and rotor on it well they had the firing order wrong so 30.00 bucks later I saved a big headache and 130.00 for a new pump lol. hope my luck holds out Link to comment Share on other sites More sharing options...
tugalo Posted August 27, 2011 Share Posted August 27, 2011 Its not luck.....its just a solid vehicle that is almost bulletproof.... Link to comment Share on other sites More sharing options...
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