2003 Pontiac Grand Am POSSIBLE CATALYTIC CONVERTER

Tiny
MYRIZA
  • MEMBER
  • 2003 PONTIAC GRAND AM
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 96,000 MILES
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?
Sunday, December 7th, 2008 AT 12:58 AM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 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.
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Sunday, December 7th, 2008 AT 1:12 AM

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