
2000 Mercury Cougar 2.5L MIL Lamp on
We are ready to replace the cat when we raised the car up and got a surprise. There is no O2 sensor after the main converter, only after the pre-cats that are part of the exhaust manifold!! So, now, do we replace the pre-cat for bank one or the main converter ...
FIX posted 11/5/2007
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Message Closed w/FIX
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VIN | 1ZWHT61L7Y |
Engine | 2.5 L / 6 cyl / GAS |
Trans | 5-speed Standard |
Delivery | FI / SEFI |
Emissions | OBD-II Compliant |
Symptoms | MIL Lamp On |
Occurs | Intermittently |
Trouble Codes
P0420 | Catalyst Efficiency Below Threshold (Bank 1) |
Message Closed w/FIX
Vehicle Data
2000 Mercury Cougar
VIN | 1ZWHT61L7Y |
Engine | 2.5 L / 6 cyl / GAS |
Trans | 5-speed Standard |
Delivery | FI / SEFI |
Emissions | OBD-II Compliant |
Symptoms | MIL Lamp On |
Occurs | Intermittently |
Trouble Codes
P0420 | Catalyst Efficiency Below Threshold (Bank 1) |