Monitor Strategy

Related DTCs

P0171: Fuel trim lean P0172: Fuel trim rich

Required Sensors/Components (Main)

Fuel system

Required Sensors/Components (Related)

Air-fuel ratio sensor, Mass air flow meter, Crankshaft position sensor

Frequency of Operation

Continuous

Duration

Within 10 seconds

MIL Operation

2 driving cycles

Sequence of Operation

None

Do It Yourself Car Diagnosis

Do It Yourself Car Diagnosis

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