Mechanics

POSSIBLE CATALYTIC CONVERTER

2003 Pontiac Grand Am

Engine Performance problem
2003 Pontiac Grand Am 4 cyl Front Wheel Drive Automatic 96000 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?
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MYRIZA
December 7, 2008.



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.

Rasmataz
Dec 7, 2008.