Fuel System/Emissions
Sensors (O₂, or oxygen, sensor), emission-control devices (includes EGR), fuel-injection system, fuel gauge/sender, fuel pump, problems filling up the tank.
What Owners Say
"Had to replace various components to pass CA Smog."
Anonymous, CA (2001 Chevrolet Suburban LT 5.2-L V8)
"Would not pass smog. Had to replace several components that were part of emission control."
Anonymous, CA (2001 Chevrolet Suburban LT 5.2-L V8)