2003 Pontiac Grand Am POSSIBLE CATALYTIC CONVERTER

2003 PONTIAC GRAND AM
96,000 MILES • 4 CYL • FWD • AUTOMATIC
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MYRIZA
  • MEMBER
  • 1 POST
I NEED TO KNOW IF A CATALYTIC CONVERTER IS CLOGGED HOW DO U KNOW. WHOULD IT ONE LOSE SPEED AND CAUSE THE CARE TO IDLE AT A VERY HIGH IDLE?
Dec 6, 2008 at 4:58 PM
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RASMATAZ
  • ✓Experienced Mechanic
  • 75,988 POSTS
I NEED TO KNOW IF A CATALYTIC CONVERTER IS CLOGGED HOW DO U KNOW. WHOULD IT ONE LOSE SPEED Get it backpressure tested or remove it and observe differences in performances-when its clogged the engine loses it ability breath.
Dec 6, 2008 at 5:12 PM
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