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2006 Jeep Wrangler Sport 4.0L Excessive Emissions, MIL Lamp on
Posted to Chrysler Driveability on 2/23/2016 4 Replies

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...

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  Related Documents & Media  2006 Jeep Wrangler Sport

 
Message Closed w/FIX

car Vehicle Data

2006 Jeep Wrangler Sport

VIN JF4F449S96
Engine4.0 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsExcessive Emissions, MIL Lamp On
OccursAlways

Trouble Codes

P0133Heated Oxygen Sensor (Bank 1 Sensor 1) Slow Response
P0420Catalyst Efficiency Below Threshold (Bank 1)
P0421Catalytic Converter Efficiency (Bank 1)
P0431Catalyst Efficiency Below Normal (Bank 2)
P2096Downstream Fuel System Lean - HO2S-12 (Bank 1 Sensor 2)
P2098Downstream Fuel System Lean - HO2S-22 (Bank 2 Sensor 2)
Message Closed w/FIX

car Vehicle Data

2006 Jeep Wrangler Sport

VIN JF4F449S96
Engine4.0 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsExcessive Emissions, MIL Lamp On
OccursAlways

Trouble Codes

P0133Heated Oxygen Sensor (Bank 1 Sensor 1) Slow Response
P0420Catalyst Efficiency Below Threshold (Bank 1)
P0421Catalytic Converter Efficiency (Bank 1)
P0431Catalyst Efficiency Below Normal (Bank 2)
P2096Downstream Fuel System Lean - HO2S-12 (Bank 1 Sensor 2)
P2098Downstream Fuel System Lean - HO2S-22 (Bank 2 Sensor 2)