Thread: Need help with 0420 and 0128 code!!

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  1. #1 Re: Need help with 0420 and 0128 code!! 
    bandook
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    Default 10-30-2019
    Monitor your coolant temp. What do you see when it's cold and warm?
    Top Swapped 01 Imp
    VS (very small?) cam, SD Headers, 2.8" pulley, 29°, ported everything, E85, AEM water/meth, Deka 60's, HPT tuned
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  2. #2 Re: Need help with 0420 and 0128 code!! 
    mcdavidhome
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    Default 10-31-2019
    I have noticed that my temp gauge is running 170-175 after driving for 30 minutes it’s not even close to the halfway mark.
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