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Thread: 2010ss with Kenne Bell p2135 at key on

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    2010ss with Kenne Bell p2135 at key on

    To make a long story short. I have a 2010 Camaro SS that was purchased with a bad bottom end. Car had a 408 long block in it with bad cam and pistons. Rebuilt the motor with a stock bottom end ( owner is saving 408 for his 69 Camaro). Changed upper pulley to 4' from a 3.25". Car made 656/600 SAE at 9psi with 15deg timing. I took the tune that was in the car and reset cyl displacement and trimmed the MAF curve to hit target with a wideband. The car runs amazing but occasionally has a code p2135 at key on. I can reset the code and car cranks up fine and drives fine. Seems to happen more in morning on cold motor. I did some researching here and found out that the tune is set up for MAF only which I will address in the future. It appears the normal Key On tps tests are disabled yet I still have an issue. I also read that I might need to lose the Kenne Bell extension tps harness and solder it in. Tune is attached, Thanks for any help.
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