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2003 Pontiac Grand Prix Repair Question


Topics covered: Egr valve, Engine, Engine performance.
Mileage: No information provided.

Asked on June 9, 2009

2003 Pontiac Grand Prix egr valve

Engine Performance problem
2003 Pontiac Grand Prix 6 cyl Two Wheel Drive Automatic 80,000 miles

got a code to replace egr valve and did. It made it better but did not fix the problem,loss of power ,dogs up hills and wont increase speed if givin to much gas.
could it be the covertor? or what?
Avatar Asked by tbrown4080

Answer

Replied on June 9, 2009

Cat. converter probably clogged or EGR passageway may be clogged with carbon build-up. Clean out the passageway and have converter flow tested.

Tiny Answered by bluelightnin6 (expert)
17,236 answers provided