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Discussion Starter · #1 ·
Hi all. My check engine light came on the other day and it came was diagnosed as a P0036 GMC H02S Heater Control Circuit Bank 1 Sensor 2 code. Anyone know how I go about fixing this? I removed the code from my trucks computer and the engine light went out but when I started my truck up again the engine light came back on. So obviously there's a problem.

Any advice would be greatly appreciated.
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