DTC P0101: Mass Air Flow Circuit Range / Performance Problem [08/2015 - ]: Procedure
- CHECK FOR ANY OTHER DTCS OUTPUT (IN ADDITION TO DTC P0101)
- Connect the Techstream to the DLC3.
- Turn the ignition switch to ON.
- Turn the Techstream on.
- Enter the following menus: Powertrain / Engine and ECT / Trouble Code.
- 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.
Result:
B
GO TO DTC CHART
(Refer to DIAGNOSTIC TROUBLE CODE CHART [08/2015 - 08/2019] , or refer to DIAGNOSTIC TROUBLE CODE CHART [08/2019 - ] )
Result:
A
See step 2
- CHECK AIR INDUCTION SYSTEM
- Check the air induction system for vacuum leakage.
OK
No leakage from air induction system.
Result:
NG
REPAIR OR REPLACE AIR INDUCTION SYSTEM
(Refer to REMOVAL [08/2015 - ] )
Result:
OK
See step 3
- Check the air induction system for vacuum leakage.
- CHECK PCV HOSE CONNECTIONS
- Check the PCV hose connections.
OK
PCV hose is connected correctly and is not damaged.
Result:
OK
REPLACE MASS AIR FLOW METER
(Refer to REMOVAL [08/2015 - ] )
Result:
NG
REPAIR OR REPLACE PCV HOSE
(Refer to REMOVAL [08/2015 - ] )
- Check the PCV hose connections.