DTC B270 Infiniti

Engine Air Filter Restriction

Engine Air Filter Restriction

Description

Key on or engine running and the PCM monitors the Manifold Absolute Pressure (MAP) at various engine speeds during Wide Open Throttle (WOT) operation, and compares the information to a calibrated value. If the air flow is out of range, the DTC is set. Note: If this DTC is set, inspect the intake air system and replace the air filter if no obstructions are found.

Cause and Solution

Intake air restriction Clogged air filter

Video Guide

Duration: PT3M47S | Uploaded: 2020-06-20

Diagnostic Info

  • DTC Code: B270
  • Brand: Infiniti
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