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Inspection Procedure

CHECK ANY OTHER DTCS OUTPUT (IN ADDITION TO DTC P0111)

Connect a Techstream to the DLC3.
Turn the ignition switch to ON.
Turn the tester ON.
Select the following menu items: Powertrain / Engine and ECT / Trouble Codes.

Read DTCs.

Result

RESULT REFERENCE

Result	Proceed to
P0111 and other DTCs	A
P0111	B

HINT:

If any DTCs other than P0111 are output, troubleshoot those DTCs first.

B : REPLACE MASS AIR FLOW METER (See REMOVAL )

A: Go to DTC CHART (See DIAGNOSTIC TROUBLE CODE CHART )