CHECK ENG LIGHT ON – LIGHTS ON DASH – CHECK EVERYTHING – OIL CHANGE CHECK BATTERY SCAN FOUND CODES P0171 CHECK MASS AIR FLOW GOOD POWER AND GROUND GOOD GOING IN NOT COMING OUT NEEDS MASS FLOW PO137 02 SENSOR LOW VOLTAGE GOOD POWER GOING IN NOTHING
INTAKE AIR TEMPERATURE SENSOR – Remove & Replace – MAF/IAT Sensor