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1998 Jeep Grand Cherokee Limited 5.2L MIL Lamp on
hello to all and thank you to any one who can help. i can not figure out why i keep geting this code. we are not in an emmisions testing area but i think that the HC's are to high. upstream o2 doesn't swing below .35mv at idle is this normal for this engine? d...
FIX posted 8/1/2002
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Message Closed w/FIX
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Related Documents & Media | VIN | 1J4GZ8YSWC |
| Engine | 5.2 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Idle |
Trouble Codes
| P0420 | Catalyst Efficiency Below Threshold (Bank 1) |
Message Closed w/FIX
Vehicle Data
1998 Jeep Grand Cherokee Limited
| VIN | 1J4GZ8YSWC |
| Engine | 5.2 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Idle |
Trouble Codes
| P0420 | Catalyst Efficiency Below Threshold (Bank 1) |
Video