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Thread: Noisy MAF

  1. #1
    Junior Member
    Join Date
    Sep 2007
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    22

    Default Noisy MAF

    Does the MAF output look particularly noisy to anyone else here? This is reported to be a stock MAF - engine is 2002 Corvette with an unknown cam. Injectors are 0 280 155 868 (or 36 lb Bosch).

    Based on the idle MAP, the lobes are large and close to one another. Wide band O2 does not report correct lambda due to the overlap at idle - so don't get too cranky about VE table at low speed \ low load. Power at the wheels was 488 with 461 tq today on a 248 Dynojet. Spark map low in the part throttle cruise area which somewhat helped the trailer hitching and dreadful cruise.

    Any further input regarding driveability tricks for over cammed engine appreciated.
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  2. #2
    Joe (Moderator) joecar's Avatar
    Join Date
    Apr 2003
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    28,403

    Default

    Sorry for the late reply (catching threads that fell thru the cracks)...

    That MAF noise looks normal... PCM is able to internally filter/smooth that level of noise.

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