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Running Rich?

This is a discussion on Running Rich? within the General Help forums, part of the LSx Technical Help Section category; I have noticed recently that after i run WOT, i begin to smell something. It smells almost like the motor ...

  1. #1
    Member aquickbird's Avatar
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    Running Rich?

    I have noticed recently that after i run WOT, i begin to smell something. It smells almost like the motor is running rich. I don't know if this is bad or normal. The car has about 120k on it. No problems no noises.

    Any ideas?

  2. #2
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    98 T/A

    I have been dealing with the same issues as well. Have also noticed my gas mileage has suffered. My car has 124k and only has the bad fuel smell after WOT and cold starts.

    A few suggestions that I got was the charcoal canister and the air pump being bad. Ordered the parts from a site sponsor gmpartsdirect.com and waiting to resolve.

    I had a few secondary air codes to go along with my fuel smell issue and do not know if they are related.

  3. #3
    Member aquickbird's Avatar
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    let me know how that air pump and charcoal canister works out. Im going to look more in depth later this week.

  4. #4
    O U 8 1 2 Spaz's Avatar
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    when was the last time you replaced your fuel filter? hows the idle? your fuel pump could be taking a shit as well...

  5. #5
    O U 8 1 2 Spaz's Avatar
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    []D [] []V[] []D
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    it could also be your cats starting to shit out as well...

  6. #6
    Member aquickbird's Avatar
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    I really hope that its not that

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