Trouble code P0400 means:Exhaust gas recirculation flow malfunction
P0400 Exhaust Gas Recirculation Flow Malfunction LIBERTY DOES NOT HAVE AN EGR SYSTEM. P0400 DOES NOT APPLY TO LIBERTY
Trouble code P0400 means:Exhaust gas recirculation flow malfunction
Trouble code P0400 means:Exhaust gas recirculation flow malfunction
Trouble code P0400 means: EGR System Performance
Trouble code P0400 means:Exhaust gas recirculation flow malfunction
Trouble code P0400 means:Exhaust gas recirculation flow malfunction
Trouble code P0400 means: EGR System Performance
Trouble code P0400 means:Exhaust gas recirculation flow malfunction
Trouble code P0400 means: Exhaust Gas Recirculation Flow
Trouble code P0400 means:Exhaust gas recirculation-flow malfunction
Trouble code P0400 means:Exhaust gas recirculation flow malfunction
The code P0 400, in your Chevrolet Geo tracker, is a reference to the ABS braking system not working properly. In most cases when the ABS braking system is not working properly you will need to change the sensor.