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1997 Jeep Grand Cherokee Limited 5.2L Excessive Emissions
No other codes fuel tirm ok no sign of running lean or coolant leaks or running rich. O2 start switching at same speed at cruise. Useing after market direct fix cat.
Summary posted 5/21/2009
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18 Replies Received
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Related Documents & Media | VIN | 1J4GZ78Y9V |
| Engine | 5.2 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | Excessive Emissions |
| Occurs | Intermittently |
Trouble Codes
| P0420 | Catalyst Efficiency Below Threshold (Bank 1) |
Message Closed w/Summary
Vehicle Data
1997 Jeep Grand Cherokee Limited
| VIN | 1J4GZ78Y9V |
| Engine | 5.2 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | Excessive Emissions |
| Occurs | Intermittently |
Trouble Codes
| P0420 | Catalyst Efficiency Below Threshold (Bank 1) |
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