Just got a 05 Tahoe z71

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hectorotani

hectorotani

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Thanks I will post results of codes today

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hectorotani

hectorotani

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Well after losing one of the heat shields on plug boot and driving yo a few stores the day went away but I drove it and it has more pickup still getting bad mpg,so mon I'll go to pull codes...

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hectorotani

hectorotani

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Here's are codes!!! Should I worry?? PO894,PO455.PO894.PO455

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hectorotani

hectorotani

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Ya it pulls hard from 1st to 2nd should I worry

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hectorotani

hectorotani

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Haven't had a chance to look at evap but some say that's not a mialiage issue ,Tuesday I will try n do the vacuum leak test

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