Emissions

[DonMc]

2014 Silverado 5.3L.

Code reader reads p2227.

Replaced mass air flow sensor no change.

Next?

 

 

[jay webb]

take it and have it actually diagnosed instead of guessing and throwing parts at it. it could be a circuit system fault which requires testing of the circuit between the sensor and the ecm and it has certain specs it has to be with in. it could be a wiring issue, shorted to ground, shorted to power, etc.