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1997 Mercury Grand Marquis LS 4.6L MIL Lamp on
o.k. back in jan. 02 i replaced the right side cat, for p0420, 3 days later code p0420 again, warranty right side cat, march 02 replace left cat, and air flow meter, and plastic intake was cracked, and replaced. re-man cat people say that the cat that was warr...
Summary posted 10/31/2002
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Related Documents & Media | VIN | 2MELM75W3V |
| Engine | 4.6 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / SEFI |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Intermittently |
| Misc. | OBD-II |
Trouble Codes
| P0420 | Catalyst Efficiency Below Threshold (Bank 1) |
Message Closed w/Summary
Vehicle Data
1997 Mercury Grand Marquis LS
| VIN | 2MELM75W3V |
| Engine | 4.6 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / SEFI |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Intermittently |
| Misc. | OBD-II |
Trouble Codes
| P0420 | Catalyst Efficiency Below Threshold (Bank 1) |
Video