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Code 26 - Air-Fuel Ratio Rich Malfunction

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

Detecting Condition (2 trip detection logic)
Engine speed varies by more than a predetermined rpm over the preceding crankshaft position period during a period of 20 seconds or more under the following conditions:
- 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

Trouble Code Stored In Memory?
YES

NOTE: (2 trip detection logic)
See Description of 2 Trip Detection Logic under "Trouble Code Descriptions".
Diagnostic Trouble Code Descriptions