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2009 Chevrolet Traverse LS 3.6L MIL Lamp on
Posted to GM Driveability on 9/19/2013 18 Replies

vehicle is for a used car lot. they replaced all o2 sensors. vehicle came in with p2097, p2099, p0420, p0430. I cleared codes and drove it for a day. only codes p0420 and p0430 reset. I seen a couple of service messages/tsbs for these vehicles saying check for...

18 Replies Received (View Replies)

  Related Documents & Media  2009 Chevrolet Traverse LS

 
Message Closed w/FIX

car Vehicle Data

2009 Chevrolet Traverse LS

VIN 1GNER13D69
Engine3.6 L / 6 cyl / GAS
Trans6-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMIL Lamp On

Trouble Codes

P0420Catalyst Efficiency Below Threshold (Bank 1)
P0430Catalyst Efficiency Below Threshold (Bank 2)
P2097Downstream Fuel System Rich - HO2S-12 (Bank 1 Sensor 2)
P2099Downstream Fuel System Rich - HO2S-22 (Bank 2 Sensor 2)
Message Closed w/FIX

car Vehicle Data

2009 Chevrolet Traverse LS

VIN 1GNER13D69
Engine3.6 L / 6 cyl / GAS
Trans6-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMIL Lamp On

Trouble Codes

P0420Catalyst Efficiency Below Threshold (Bank 1)
P0430Catalyst Efficiency Below Threshold (Bank 2)
P2097Downstream Fuel System Rich - HO2S-12 (Bank 1 Sensor 2)
P2099Downstream Fuel System Rich - HO2S-22 (Bank 2 Sensor 2)