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2008 Grand Cherokee 3.0L Diesel
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2008 Jeep GC 3.0L Diesel

Engine light came on and the code reader said P2245, P2238, P0130. All reference the O2 sensor Bank 1 sensor 1. It was a little difficult but not bad. Cleared the code with my OBD reader. two days later they all came back. I have read some references that this vehicle has two O2 sensors, but I can only find one, just below the turbo and before the Diesel particulate canister. I cleaned the electrical plug and made sure it was sealed and connected. Any one else have this issue. Is it possible to get a tuner to eliminated the O2 function. Obviously this is only used for emissions as its a diesel.
 
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