Question 1

What does P2196 mean?

Accepted Answer

P2196 - O2 Sensor Signal Biased/Stuck Rich (Bank 1 Sensor 1). Upstream O2 sensor on bank 1 consistently reading rich.

Question 2

What are the symptoms of P2196?

Accepted Answer

Check engine light, Rich exhaust smell, Poor economy

Question 3

What causes P2196?

Accepted Answer

Faulty O2 sensor, Rich running condition, Leaking injector, Stuck purge valve

Question 4

How much does it cost to fix P2196?

Accepted Answer

Typical repair cost: $80-$400. Check for rich running condition before replacing O2 sensor.

P2196 — O2 Sensor Signal Biased/Stuck Rich (Bank 1 Sensor 1)

Don't guess — diagnose P2196 the right way