Code 26 - Air-Fuel Ratio Rich Malfunction

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

Detecting Condition
(A) Engine speed varies by more than 15 rpm over the preceding crankshaft position during a period of 20 seconds or more under the following conditions (2 trip detection);
- Engine speed: 2,000 rpm or more.
- Engine coolant temperature between 60°C (140°F) and 95°C (203°F).
or
(B) Difference of air/fuel ratio feedback compensation value between front (no. 1 - 3 cylinders) and rear (no. 4 - 6 cylinders) is more than 15 percentage for 20 seconds or more under the following conditions (2 trip detection);
- Engine speed: 2,000 rpm or more.
- Engine coolant temperature between 60°C (140°F) and 95°C (203°F).

Trouble Area
(A/B) ^ Open or short in injector circuit.
^ Fuel line pressure (leak or blockage).
^ Mechanical system malfunction (timing belt skipped).
^ Ignition system
^ Compression pressure.
^ Volume Air Flow Meter.
^ Engine Control Module.

Malfunction Indicator Lamp
Normal Mode On
Test Mode On

Recorded in memory?
Yes