P2BED

Fuel Control System A Too Rich Bank 1

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$17–89 (est.)

Symptoms

Increased fuel consumption
Reduced engine power
Black smoke from the exhaust pipe
Unstable idling
Gasoline smell from exhaust

Causes

Oxygen sensor malfunction (Bank 1)
Contamination or malfunction of the air flow sensor
Leaking fuel injectors
Increased pressure in the fuel rail
Coolant temperature sensor malfunction

How to Fix

Check oxygen sensor readings
Inspect and, if necessary, replace the mass air flow sensor
Check the tightness of the fuel injectors
Measure the pressure in the fuel system
Check the operation of the coolant temperature sensor

Related codes

P0172 P0175 P2187