CityFix

P0130 on Honda City GM2: O2 Sensor Circuit Malfunction (Bank 1 Sensor 1)

Short answer: P0130 means “O2 Sensor Circuit Malfunction (Bank 1 Sensor 1)”. The car’s computer has found a fault in the Emissions system and turns on the Check engine light (MIL). First check: read the code and live data with an OBD-II scanner.

Standard OBD-II code Same meaning on all cars (SAE J2012). Not checked against this car’s factory manual.

Code
P0130
System
Emissions
Dashboard light
Check engine light (MIL)
Applies to
Generic OBD-II meaning. Not every code is used by this car.
Confidence
medium (generic OBD-II definition, not checked against the factory manual for this car)
Source
obd-codes.com

Symptoms and when it is set

  1. Check engine light on

Likely causes

  1. Usually the cause of P0130 is a bad oxygen sensor, however this isn't always
  2. The case. If your o2 sensors haven't been replaced and they are old, it's a
  3. Good bet that the sensor is the problem. But, It could be caused by any of the
  4. Water or corrosion in the connector
  5. Loose terminals in the connector
  6. Wiring burnt on exhaust components
  7. Open or short in the wiring due to rubbing on engine components

What to check, in order

  1. Read the code and live data with an OBD-II scanner
  2. Look for exhaust or vacuum leaks and check the wiring of the sensor or valve
  3. Test the part before replacing it
  4. Fix the cause, clear the code and test-drive

Related on this car

Same code on other cars

← P0128 P0131 →

Clearing the code does not fix the fault. If it comes back, the problem is still there. For brakes, airbags and steering, see a trained mechanic.