DTC B2271 Lexus

Fuel System Lean During Power Enrichment

Fuel System Lean During Power Enrichment

Description

DTC P0106-P0108, P0117-P0118, P0121-P0123, P0201-P0204, P0171, P0172, P0201-P0204, P0300, P0336, P0337, P0351, P0352, P0402-P0406, P0506, P0507, P1404, P1441 and P1627 not set, engine operating in closed loop while in Power Enrichment mode, A F ratio le

Cause and Solution

Air leaks located after the MAF sensorCheck for vacuum leaks in the engine with a Smoke TesterFuel contamination due to water or alcohol in the fuelIntake air system is leaking, obstructed and damagedLow fuel pressure or the vehicle d

Video Guide

Duration: PT4M39S | Uploaded: 2020-06-20

Diagnostic Info

  • DTC Code: B2271
  • Brand: Lexus
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