P0171 and P0174

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Aug 28, 2007 | 04:25 PM

02 Silver SS

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Staging Lane

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From: Bay Area

P0171 and P0174

My SES light went off and put out these codes.. and all happended after I installed my ported TB and I check the screws to make sure there on tight plus I know its a vacuum leak but still thinking it could be because the TB is ported???

Sep 3, 2007 | 01:34 PM

VIPRETR2

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I just started setting these codes as well but I think mine are due to my valve cover breather. Did you hook up all the connections on the sides of the TB?

Sep 4, 2007 | 10:49 AM

02 Silver SS

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Staging Lane

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ya i think its my tb as i got it ported and had epoxy put it in and which one one of the holes was not big enough to get to the sensor causing it to run lein.

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