P2180

System Too Rich Off Idle Bank 2

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$17–89 (est.)

Symptoms

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

Causes

Oxygen sensor malfunction (bank 2)
Fuel leaking from injectors
Contamination or malfunction of the air flow sensor
Problems with the fuel pressure regulator
Coolant temperature sensor malfunction

How to Fix

Check oxygen sensor readings
Inspect fuel injectors for leaks
Check the operation of the mass air flow sensor and clean if necessary
Check the pressure in the fuel system
Diagnose the coolant temperature sensor

Related codes

P2178 P2181 P2182