red comanche Posted May 21, 2011 Share Posted May 21, 2011 Hello, I love my 88 Jeep Comanche but it's having problem with the way it runs. No problem starting the jeep but when I put it to second gear it loose its power. It will go to 40 mph then it will start chocking and goes down to 10 mph. I have to put it back to 1st gear. 2 mechanic already look at it, installed new battery, new O2 sensor, new muffler and a refurbish relay sensor. The last mechanic left it in front of my house and he moved out of town. In short my jeep is till not fix and $450.00 lost. Its been in my backyard for 8 months. I would like to know if my Jeep is still fixable. Since I saw the "My 1988 Jeep Comanche" I just want my jeep back running again. Please help.... Thank you, Tony Link to comment Share on other sites More sharing options...
airspeed Posted May 21, 2011 Share Posted May 21, 2011 My first guess would be the fuel filter. Under the drivers door inside the frame rail. Small set of sockets and 10 minutes of work, it would be worth a try. Link to comment Share on other sites More sharing options...
Fezzik Posted May 21, 2011 Share Posted May 21, 2011 I'd look at the cat. converter too, Link to comment Share on other sites More sharing options...
64 Cheyenne Posted May 21, 2011 Share Posted May 21, 2011 don't forget to check your grounds, could be the source of many electrical gremlins. Link to comment Share on other sites More sharing options...
dakal Posted May 22, 2011 Share Posted May 22, 2011 a problem that i finally found and fixed was---- the sock in the fuel tank was partially plugged, so when i was accelerating at 3000 rpm it would cut out so much it wouldn't run. but once it dropped below 3000 rpm it would run. i chased this for months. new sock, no problemo. :banana: Link to comment Share on other sites More sharing options...
red comanche Posted May 22, 2011 Author Share Posted May 22, 2011 Thank you for all your help. I will take all of your response and hopefully I can get my red Comanche fix. I think a new catalyst converter the one I got when I got the new muffler. They told me I have to get a new muffler install to get to the catalyst converter. Thank you all Tony 88 red Comanche pioneer 2x4 Link to comment Share on other sites More sharing options...
Geonovast Posted May 22, 2011 Share Posted May 22, 2011 Do a fuel pressure check. Link to comment Share on other sites More sharing options...
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