
2006 Jeep Wrangler Sport 4.0L Excessive Emissions, MIL Lamp on
We have this jeep that the check engine light keeps coming on, it first had the p2098, p2096 down stream fuel trim lean and the po431 catalytic converter codes, found a bulletin for the PCM reflash, we had that done , the light came back on ,replaced the front...
FIX posted 3/21/2016
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Message Closed w/FIX
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VIN | JF4F449S96 |
Engine | 4.0 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection |
Emissions | OBD-II Compliant |
Symptoms | Excessive Emissions, MIL Lamp On |
Occurs | Always |
Trouble Codes
P0133 | Heated Oxygen Sensor (Bank 1 Sensor 1) Slow Response |
P0420 | Catalyst Efficiency Below Threshold (Bank 1) |
P0421 | Catalytic Converter Efficiency (Bank 1) |
P0431 | Catalyst Efficiency Below Normal (Bank 2) |
P2096 | Downstream Fuel System Lean - HO2S-12 (Bank 1 Sensor 2) |
P2098 | Downstream Fuel System Lean - HO2S-22 (Bank 2 Sensor 2) |
Message Closed w/FIX
Vehicle Data
2006 Jeep Wrangler Sport
VIN | JF4F449S96 |
Engine | 4.0 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection |
Emissions | OBD-II Compliant |
Symptoms | Excessive Emissions, MIL Lamp On |
Occurs | Always |
Trouble Codes
P0133 | Heated Oxygen Sensor (Bank 1 Sensor 1) Slow Response |
P0420 | Catalyst Efficiency Below Threshold (Bank 1) |
P0421 | Catalytic Converter Efficiency (Bank 1) |
P0431 | Catalyst Efficiency Below Normal (Bank 2) |
P2096 | Downstream Fuel System Lean - HO2S-12 (Bank 1 Sensor 2) |
P2098 | Downstream Fuel System Lean - HO2S-22 (Bank 2 Sensor 2) |