Question about 2003 Jeep Grand Cherokee

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PROBLEMS!!!! My Jeep seems to be miss-fireing. It makes a ticking noise in the engine when starting and running. When driving today, it lost all power and began missing. When pushing on accelerator, the power was dying. Also, there is a bad exhaust smell. What can be the cause of this?

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  • Anonymous Dec 02, 2008

    I to have this same problem,as well as oil being blown back into the air filter. can anyone help?

  • Anonymous Dec 02, 2008

    I have the same problem but with oil blowing back into the air filter. any advice?

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That sounds to me like the catalytic converter is going out. suggestion, take it to a muffler shop and have them check it out. As for the ticking and missfiring, mine has done the same thing for a while and I keep throwing out a vacuum leak as well as Throttle position control, cruise won't work as cruise, it will actually slow down on hills from 70-40 mph, but I know both are the problem, solution, the throttle position control is under the air intake, take the air box off of the throttle body and replace it after having autozone run a check. From there..... find someone good at mufflers as well as vacuum leaks and fix it. lol.

Posted on Jun 18, 2008

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