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#551: 03-19-2013, 08:08 PM
 
 paganing
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Title: New Member
Car: 08 LGT 5eat
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The car have dp, 3" cat back, k&n filter, tranny insert, oil cooler, aem fuel pump. I change the fuel pump because during dyno pulls the afr was getting higher with no fuel changes, so the tuner diagnose a fuel pump mal-function. After the fuel pump replacement the afr was better but not significantly to complete a safe tune.