2005 Gmc Jimmy

[stoon]

Check engine light on
P0059 H025 Heater resistance bank 2 sensor
P0155 O2 censor Heater circuit bank 2 sensor..
Gets roughly 250-300 km to a tank. Runs alright vehicle has 166000 kilometers.

 

[Molson02536]

Check engine light on
P0059 H025 Heater resistance bank 2 sensor
P0155 O2 censor Heater circuit bank 2 sensor..
Gets roughly 250-300 km to a tank. Runs alright vehicle has 166000 kilometers.

Most likely your O2 sensor has gone bad or the wiring harness... Bank two is your driver's side on the 4.3 vortec....

Keep us posted and good luck....

Molson02536