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2008 Jeep Wrangler Unlimited Sahara 3.8L MIL Lamp on
Posted to Chrysler Driveability on 1/20/2022 11 Replies

We have spent much time and effort on this one. Customer installed a Bosch sensor and the code returned so he brought it to us. We had scopes on all four wires of both front sensors and indeed it would almost flat line after running a bit. Heaters were com...

11 Replies Received (View Replies)

  Related Documents & Media  2008 Jeep Wrangler Unlimited Sahara

 
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car Vehicle Data

2008 Jeep Wrangler Unlimited Sahara

VIN 1J4GA59168
Engine3.8 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways

Trouble Codes

P0139Heated Oxygen Sensor (Bank 1 Sensor 2) Slow Response
Message Closed

car Vehicle Data

2008 Jeep Wrangler Unlimited Sahara

VIN 1J4GA59168
Engine3.8 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways

Trouble Codes

P0139Heated Oxygen Sensor (Bank 1 Sensor 2) Slow Response