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Thread: 99TJ Failed Emission Test (That was my excuse)

  1. #1
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    Talking 99TJ Failed Emission Test (That was my excuse)



    Went in for the required smog test, failed HI CO, O2 sensor pre and post catalytic convertor reading nearly the same voltage. Saturday morning decided to replace the convertor, once I started I couldn't stop.... removed the whole exhaust, intake, hood, driveshaft's, replaced the pinion seals (leaking) and sense I have everything apart might drop the gas tank and look at the fuel sender and skid plate... Hope to have it all back together by next weekend...or maybe I will just kick back and have a cup of coffee and think about what else I can do to keep me in the garage..
             

  2. The Following Member Says Thanks to SOS-1999TJ For This Post:

    Swank1975 (August 14th, 2018)

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    Default Re: 99TJ Failed Emission Test (That was my excuse)




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    Default Re: 99TJ Failed Emission Test (That was my excuse)



    I like it. Aside from the fun factor you're likely to find something you can take care of in the garage rather than on the trail.

  5. #4
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    Thumbs up Re: 99TJ Failed Emission Test (That was my excuse)



    Successfully completed the emissions project, CO is now within limits. Replaced the exhaust (from collector all the way back), installed a cold air intake, rebuilt the drive shafts, replaced the leaking pinion seals on both diffs, and installed a spider hood louver. All-in-all a good time in the garage.
           

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