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1999 Mercury Cougar 2.5L MIL Lamp on
Hi guys I have a problem I never ran into and I'm hoping someone has. This vehicle has both bank 1 and bank 2 cat efficiency codes (po420&430). The post cat o2's are switching fast like a bad cat. My problem is there is a tsb for a reflash. So my question is i...
FIX posted 7/2/2008
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Message Closed w/FIX
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11 Replies Received
11 Replies Received
Related Documents & Media | VIN | 1ZWFT61L1X |
| Engine | 2.5 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
Trouble Codes
| P0420 | Catalyst Efficiency Below Threshold (Bank 1) |
| P0430 | Catalyst Efficiency Below Threshold (Bank 2) |
Message Closed w/FIX
Vehicle Data
1999 Mercury Cougar
| VIN | 1ZWFT61L1X |
| Engine | 2.5 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
Trouble Codes
| P0420 | Catalyst Efficiency Below Threshold (Bank 1) |
| P0430 | Catalyst Efficiency Below Threshold (Bank 2) |
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