rtyler8140 Posted July 22, 2009 Share Posted July 22, 2009 87 Comanche with the 4.0L and auto trans. I have it switched onto the power setting, but I have no take off power. If I floor it, it will rev up and shift, then bog and sputter and rev back up. It acts as if it is getting too much fuel maybe? Within the last 6 months I have changed the plugs, wires, cap and rotor. The injectors all have new o-rings on them. I put a new exhaust manifold on it, but have an aftermarket intake so there is nothing hooked up to the tube coming off of the exhaust manifold. Is that causing my problem? I thought that was just to heat the air in the stock air box, but if that is messing with compression I guess that could pose a problem. Any help would be appreciated. Link to comment Share on other sites More sharing options...
Eagle Posted July 22, 2009 Share Posted July 22, 2009 How's your oxygen sensor and catalytic converter? Link to comment Share on other sites More sharing options...
rtyler8140 Posted July 22, 2009 Author Share Posted July 22, 2009 Was just reading some old posts and figure that should be something to take a look at. I know how to pull my 02 sensor, but how should I check my cat? Link to comment Share on other sites More sharing options...
dasbulliwagen Posted July 22, 2009 Share Posted July 22, 2009 Remove the cat, take a peice of pipe or something, knock out all of the guts, reinstall and youre done! :banana: Link to comment Share on other sites More sharing options...
rtyler8140 Posted August 4, 2009 Author Share Posted August 4, 2009 So I finally got around to putting a new O2 sensor in and it fixed my problem. Thanks guys. :bowdown: Link to comment Share on other sites More sharing options...
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