What does Code P2271 Mean?

Question

02 Sensor 1/2 signal biased rich

Answer 1

Hi there,

This code indicates an issue with the heated O2 sensor bank 1. Here is a list of possible causes.

P2271 DODGE - O2 Sensor 1/2 Signal Biased Rich

Read more: https://www.autocodes.com/p2271_dodge.html