OBD Guide

P2180

System Too Rich Off Idle Bank 2

P2180 is an OBD-II diagnostic trouble code meaning: System Too Rich Off Idle Bank 2. Common causes: oxygen sensor malfunction (bank 2), fuel leaking from injectors. Estimated repair cost: $17–89.

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

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

Related codes

Error P2180 by Vehicle Brand

FAQ

What does the P2180 code mean?

P2180 is an OBD-II diagnostic trouble code that indicates: System Too Rich Off Idle Bank 2

What causes a P2180 error code?

The most common causes of P2180 include: Oxygen sensor malfunction (bank 2); Fuel leaking from injectors; Contamination or malfunction of the air flow sensor; Problems with the fuel pressure regulator.

How do I fix a P2180 diagnostic trouble code?

To fix P2180: Check oxygen sensor readings. Inspect fuel injectors for leaks. Check the operation of the mass air flow sensor and clean if necessary. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2180?

Yes, but get it checked soon

How much does it cost to fix P2180?

The estimated repair cost for P2180 is $17–89. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat