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01-18-2010, 11:13 PM | #7 |
Registered User
Join Date: Apr 2009
Location: Fort Collins Colorado
Posts: 69
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Re: 99 sierra new pumps no power?
if you have aces to a back pressure gauge that screws into the o2 sensor hole. this will tell you if you have a restriction in the exhaust system. i would start with the tps.
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