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Inspection Procedure

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

Connect the Techstream to the DLC3.
Turn the ignition switch to the ON position.
Turn the Tech stream on.
Enter the following menus: Powertrain/Engine and ECT/Trouble Codes.

Read the DTCs.

Result

RESULT CHART

Display (DTC Output)	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 )