What's the 7e8 engine code Chevy Suburban?

The code 7E8 means that Your Chevy Suburban is facing fuel or air intake issues. In case You see this code in Your car, You should take it to a reliable auto repair shop to get the problem properly diagnosed. The diagnosis will determine the root cause of the issues in the fuel or air intake. Air or fuel intake issues mean that Your car is not performing at its full capacity and You might experience a loss of power. You may also notice that Your car makes a revving sound when it is idling. You can drive a car with these issues, but it is advisable to get them fixed before driving longer distances, to enjoy a comfortable ride and get maximum gas mileage.