Question about 2001 Dodge Stratus

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Having trouble getting my '01 stratus r/t to pass state inspection. had cluch changed on the way home the service engien light came on. test said o2 sensors where bad. changed both frout and back still failed, reset and drove about 100 miles still says not ready? so disconnected battery let sit overnight to cool drove about 135 miles still says not ready. hope you can help.

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In Calif the "smog test only" place I went to said it failed the first time, they let it sit and cool down (I'd been driving it some earlier), and it passed. Apparently a cooler engine helps.

Posted on Aug 25, 2010

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  • Dodge Master
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not ready?
O2 sensors can become contaminated instantaneously after being replaced if you have an antifreeze leak or oil leak into your cylinders.

Or, if there is a leak in the exhaust system upstream, this can cause the o2 sensors to sense too much oxygen and give out of specification readings, even though, they would be good in a sealed exhaust system or a car without an antifreeze or oil leak into the exhaust.

How are the fluid levels behaving in your car? (i.e. coolant and oil).

Posted on Jul 10, 2010

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  • jglover764 Jul 10, 2010

    Antifreeze and oil levels are good exhaust system is sound can't hardly hear car run when standing next to it.

  • Duane Wong
    Duane Wong Jul 10, 2010

    OK, if the fluid levels are alright and its running quiet and no backfiring and so forth, but you simply get a code, maybe you should run it as is.

    That would be the cheapest, assuming you get good fuel economy.

    Good luck on it.

  • Duane Wong
    Duane Wong Jul 10, 2010

    The only problem is that it won't pass inspection that way.



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