P00BC

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

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$33–167 (est.)

Symptoms

Unstable engine operation
Power reduction
Increased fuel consumption
Dips during acceleration

Causes

DMRV malfunction
Open or shorted wiring harness
Dirty air filter
Air leak in the intake tract
Problems with the MAF connector
ECU malfunction

How to Fix

Check the condition of the air filter
Inspect the intake tract for leaks
Check the connection of the mass air flow sensor connector
Test the mass air flow sensor with a multimeter or scanner
Check the resistance and integrity of the wires to the mass air flow sensor
If necessary, replace the mass air flow sensor

Related codes

P0100 P0101 P0102 P0103