Chevrolet Monte Carlo Problem Report

Chevrolet Monte Carlo Loss of Engine Power Due to Plugged Catalytic Converter

(9 reports)

The catalytic converter may become plugged resulting in loss of engine power. General Motors has extended the catalytic convertor warranty on some models to 10 years or 120,000 miles. Please contact your local GM dealer to see if your vehicle is included.

my 01 monte carlo ss will idle fine but when i go to take it down the road when i get up to about 25 or 30 mph it starts jerkin bad and starts boggin down and i just cant figure out a solution -
Replaced catalytic converter. Head gasket blew shortly later. Replaced engine gaskets. Now the heater won't work. Still trying to figure that out. -
Had to have replaced. -
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