DTC P0101: Mass Air Flow Circuit Range / Performance Problem: Procedure
- CHECK ANY OTHER DTCS OUTPUT (IN ADDITION TO DTC P0101)
- Connect Techstream to the DLC3.
- Turn the engine switch on (IG).
- Turn the Techstream on.
- Enter the following menus: Powertrain / Engine / Trouble Codes.
- Read DTCs.
Result
Display (DTC Output) Proceed to P0101 A P0101 and other DTCs B HINT:
If any DTCs other than P0101 are output, troubleshoot those DTCs first.
B → GO TO DTC CHART
A: Go to next step
- CHECK AIR INDUCTION SYSTEM
- Check the air induction system for vacuum leaks.
OK
No leaks from air induction system.
NG → REPAIR OR REPLACE AIR INDUCTION SYSTEM
OK: Go to next step
- Check the air induction system for vacuum leaks.
- CHECK PCV HOSE CONNECTIONS
OK
PCV hose is connected correctly and is not damaged.
NG → REPAIR OR REPLACE PCV HOSE
OK → REPLACE MASS AIR FLOW METER