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Bogging a bit

This is a discussion on Bogging a bit within the Firebird / WS6 forums, part of the Vehicle Specific category; Hi folks, Just wondering if anyone has ideas on what is up with my 99 Firehawk. Recently, I have noticed ...

  1. #1
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    Bogging a bit

    Hi folks,

    Just wondering if anyone has ideas on what is up with my 99 Firehawk.

    Recently, I have noticed that between 1500 and 2000-ish RPM, my car has a slight bog on acceleration from gear to gear (more so from 1st to 2nd). It is worse when cold. Also getting worse gas mileage than I recall.

    I am thinking could be dirty throttle body, plugs or injectors....am I on the right track....or could it be something like a dirty or old 02 sensor? I have not serviced any of these since new and I am the original owner. I do regular oil changes and the K&N filter is maintained as required.

    I have a head and cam package, headers and tune and have aprox. 40K kms (25K miles)....dyno'd at 400RWHP. It is fair weather ride (convertible) and only driven 2-3K a year.

    Appreciate any guidance!

  2. #2
    Moderator Cutlass's Avatar
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    1999 Formula WS6 M6-sold
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    Have you cleaned your MAF sensor lately? The oil from a K&N filter can gum those MAFs up and skew it readings.

  3. #3
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    Quote Originally Posted by Cutlass View Post
    Have you cleaned your MAF sensor lately? The oil from a K&N filter can gum those MAFs up and skew it readings.
    Thanks.....I will check that!

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    Yeahh.. I took my MAF out the other day, and it looked perfectly fine. Sprayed it and wiped out the crap I could see on it, and my car "feels" better. It feels like it kicks less and just has a more stable idle.

  5. #5
    ʢ ൧ ൨ ൩ ൪ ൫ ൬ ൭ ൮Ր Ց Ւ Փ Smittro's Avatar
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    Quote Originally Posted by Cutlass View Post
    Have you cleaned your MAF sensor lately? The oil from a K&N filter can gum those MAFs up and skew it readings.
    This.. and make sure you use the proper type of cleaner. CRC is what I and lots of the folks here use. Good stuff that can be bought @ an auto parts.. Don't touch the senor with anything else, let it air dry..
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  6. #6
    None Shall Pass Knight's Avatar
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    I agree with the others to clean the MAF. I'd also go ahead and change the plugs too.

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