2003 PONTIAC GRAND PRIX EGR VALVE

  • Tiny
  • Tbrown4080
  • 2003 PONTIAC GRAND PRIX

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?

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Tuesday, June 9th, 2009 AT 6:43 PM

1 Reply

  • Tiny
  • Bluelightnin6
  • EXPERT
  • 17,052 POSTS

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

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Tuesday, June 9th, 2009 AT 7:04 PM

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