LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Toyota >> 2004 >> Matrix Base, FWD, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 136 (Engine Control System Self Diagnostics - 4-Cylinder) >> Diagnostic Tests >> DTC P2195: Oxygen (A/F) Sensor Circuit Stuck Lean (Bank 1 Sensor 1) & DTC P2196: Oxygen (A/F) Sensor Circuit Stuck Rich (Bank 1 Sensor 1) >> Possible Causes
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Possible Causes

WARNING: This page is about a different car, the 2003 Toyota Tacoma. However, it is still accessible from the selected car via links, so may be relevant.

DTC P2195 will set when A/F sensor voltage is more than 3.8 volts for 10 seconds or more. DTC P2196 will set when A/F sensor voltage is less than 2.8 volts for 10 seconds or more. Possible causes are: