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If one is getting red hot it is clogged. If neither is getting red hot, then listen at the tailpipe while someone revs the engine. If you hear one blowing very hard it is clogged. If none of this tells you which is bad, you should take the car to a muffler shop and have the flow tested.
A bad cat will also trip the check engine light to come on. The codes will tell you which cat has a problem. Your local auto parts store can help[ you read the codes at no cost.
What else can I help you with?
Where is the catalytic converter on a 2001 Mercury Villager?
There is actually two catalytic converters. They are the first two components in the exhaust system and lie directly under the engine.
Will a 2001 Mercury Cougar grill replacement fit on a 1999 Mercury Cougar?
No.
Will a sunroof motor from a 2002 Mercury Cougar work with a 2001 Mercury Cougar?
yes
Where is the radiator located on a 2001 Mercury Cougar?
On a 2001 Mercury Cougar : The radiator is located in the engine compartment , at the front of the vehicle
Where is catalytic converter located on a 2001 mercury mountaineer?
The catalytic converter on a 2001 Mercury Mountaineer is located underneath the vehicle, typically positioned between the exhaust manifold and the muffler. It is mounted along the exhaust system, close to the engine, and is usually shielded by a metal cover for protection. To access it, you may need to raise the vehicle and inspect the underside.
Where is the catalytic converter on a 2001 Chevy S10?
The catalytic converter is found in the exhaust system between the engine and the muffler.
How many catalytic converters does 2001 Chevy suburban have?
How many catalytic converter’s does a 2001 suburban 1500
Does a 2001 Ford Focus have a catalytic converter?
Yes.
How many gallons in a 2001 mercury cougar?
According to the 2001 Mercury Cougar Owner Guide : ( the fuel tank holds 15.4 US. gallons )
Where are the oxygen sensors located in a 2001 dodge ram truck?
They are on either side of the catalytic converter.They are on either side of the catalytic converter.
How much does it cost to have a catalytic converter installed in a 2001 Mazda tribute?
how much does it cost to have a catalytic converter installed in a 2002 Mazda tribute
Where are the oxygen sensors on a 2001 Dodge Ram?
The upstream sensor screws into the front of the catalytic converter. The downstream is screwed into the pipe after the catalytic converter.
