Oxygen Sensor

For Oxygen (O2) sensor testing, perform appropriate O2 sensor diagnostic test. See the following:

• On 2.0L, see DIAGNOSTIC TROUBLE CODE DEFINITIONS in SELF-DIAGNOSTICS - NEON & SX (CANADIAN) - 2.0L article.
• On 2.4L, see DIAGNOSTIC TROUBLE CODE DEFINITIONS in SELF-DIAGNOSTICS - SRT-4 - 2.4L article.