Question

My engine light is on for a 2009 Chevrolet Colorado 3.7L crew cab obd2 code: p2270 02 sensor signal stuck lean bank 1 sensor 2

Answer 1

If there are no intake or exhaust leaks, then more than likely you must replace the rear O2 sensor Bank 1 to repair the problem.

P2270 CHEVROLET Code - HO2S Signal Stuck Lean Bank 1 Sensor 2
Read more: https://www.autocodes.com/p2270_chevrolet.html

Answer 2

engine light is on in my 2009 chevy colorado  and i have 4  more codes

2270 , 2271 , po 138 , po 13A can i get some help please

Comments

All codes point to the Rear O2 Sensor Bank 1