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Home >> Toyota >> 2004 >> Highlander Limited, FWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 1 (Engine Control System (SFI) - Diagnostics (2AZ-FE)) >> DTC P0171, P0172: System Lean/Rich (Bank 1) >> Monitor Strategy

Monitor Strategy

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MONITOR STRATEGY

Related DTCs P0171: Fuel System Lean P0172: Fuel System Rich
Required sensors/ components (Main) Fuel system
Required sensors / components (Related) A/F sensor, MAF meter, CKP sensor
Frequency of operation Continuous
Duration 10 sec.
MIL operation 2 driving cycles
Sequence of operation None