Mechanics

PONTIAC TRANS AM EGR VALVE PROBLEM

2002 Pontiac Trans Am

Engine Performance problem
2002 Pontiac Trans Am 6 cyl

2002 pontiac trans-am. It runs perfect for about 5 minutes, then once it warms up to operating temp. It sputters then cuts out. I have pulled codes for,
oxegen censor low voltage bank 1 and 2, egr valve insuffecient flow, catalyst efficiency below threshold bank 1, and also an EVAP code, I replaced the oxegen censors bank 1 and 2 that are by the manifolds but not the one that is after the catalitic converter. Now I cannot get it to start even when it is cold? What should I check?
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Jmfp702
November 24, 2009.



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