Code 26 - Air-Fuel Ratio Rich Malfunction

Data Trouble Code No. 26 - Air-Fuel Ratio, Rich Malfunction

Detecting Condition
Engine speed varies by more than 15 rpm over the preceding crankshaft position period during a period of 50 seconds or more under the following conditions (2 trip detection);
- Engine speed idling.
- Engine coolant temperature 60°C (140°F) or more.

Trouble Area
- Open or short in injector circuit.
- Fuel line pressure (leak or blockage).
- Mechanical system malfunction (timing belt skipped).
- Ignition system
- Compression pressure.
- Air leakage.
- Engine Control Module.

Malfunction Indicator Lamp
Normal Mode ON
Test Mode ON