P00BE

Mass or Volume Air Flow B Circuit Range/Performance - Air Flow Too Low

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$33–111 (est.)

Symptoms

Poor engine idling
Power reduction
Increased fuel consumption
Difficulty starting the engine

Causes

DMRV malfunction
Open or short circuit in wiring harness
Contamination of the air flow sensor
Sensor connection problems
ECU malfunction

How to Fix

Check the condition of the mass air flow sensor and its connection
Inspect the wiring harness for damage
Clean the air flow sensor if it is dirty
Check sensor readings using diagnostic equipment
Replace the air flow sensor if necessary

Related codes

P0101 P0102 P0103 P0171