Famous 2016 Chevy Trax Check Engine Light Ideas. Reduce speed and avoid high engine load. Web #1 · mar 2, 2022.
Web check engine light functions as a service reminder indicator and emission system service. Check engine light will come on each 50,000 miles (pcv and egr), each 80,000 miles (oxygen sensor) and each 100,000 miles (charcoal canister) to indicate needed emission system service. I keep getting a check engine light code for p0420 catalyst system efficiency below threshold (bank 1) on a 2016 chevy trax.
