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please help

This is a discussion on please help within the Corvette forums, part of the Vehicle Specific category; I have a 99 6spd targa car with a blackwing, corsa touring system, 160 tstat, smooth bellow, MSD wires, air ...

  1. #1
    Junior Member kosovobandit's Avatar
    Join Date
    Mar 2006
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    beaumont
    Posts
    41

    pewter
    1999 corvette

    please help

    I have a 99 6spd targa car with a blackwing, corsa touring system,
    160 tstat, smooth bellow, MSD wires, air charge temp sensor relocator and recalibration, LS1 edit tune, and TR55 plugs. I have recently changed to plugs from the original to the tr55's. that was about a 2 weeks ago (Easter weekend) My old plugs were a little fuel fowlded. now I am getting a slight surge at idle, between 650-725 RPM. And I have picked up a slight backfire through the exhaust on deceleration. I want to ask if this is the start of fuel fowling. I am pulling plugs tomarrow. the weather in texas has been changing alot. give me a way to head. By the way no codes in the DIC.

  2. #2
    Junior Member
    Join Date
    Apr 2007
    Location
    ohio
    Age
    72
    Posts
    1

    red
    2000,corvette conv.

    check the new plugs.they could be bad.make sure they are not cracked.

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