C266D Land Rover Discovery 3 OBD Code

OBD/2 C266D error code description and symptoms.

Catalytic converters must be warm before they can work properly. On a cold start the PCM provides a rich mixture to keep the cold engine running.
All that extra fuel goes into the catalytic converter. But the exhaust isn't very hot, because, ah, the engine is pretty cold. GM has employed several strategies to fire up the catalytic converter quicker and reduce cold start emissions. One way is to use a secondary air pump that pumps outside air directly into the catalytic converter.

To check for an open circuit, trace along the length of the transmission control circuit, checking for breaks in the wiring. Repair any broken wiring and make sure all connectors are fully seated and locked.Pay close attention to connectors, looking for corrosion, bent or broken pins, or moisture in the connector. Repair any connector issues even if they are not specifically part of the transmission control circuit as they may serve a function in providing power to the transmission control circuit.

C266D Land Rover Discovery 3 Error Code Repair Process :

When you turn on the ignition, the Service Engine Soon or Check Engine C266D light should flash briefly, indicating that the OBD system is ready to scan your vehicle for any malfunctions. After this brief flash, the light should stay off while you drive as long as no problems are detected. If ecu is defective so, you'll be glad to know that your vehicle is equipped with an early warning system that could save you time, money, and fuel in addition to helping protect the ecu is defective.

Difficulty Level (Soso)

Repair Time (50 Min.)

Cost Prediction : $ 30-110

Common Causes of Land Rover Discovery 3 C266D OBD2 Code

A common cause of code C266D is the failure of ECU Is Defective, but there are several other possible causes as well, such as ;

• Dirty Oil
• Exhaust tube
• Erratic camshaft position due to low oil pressure
• Camshaft Position Sensor harness is open or shorted

C266D is a kind of Chassis Trouble Code Diagnosing chassis noises can be one of the most frustrating problems technicians face. Fortunately, manufacturers have engineered noise, vibration and harshness (NVH) diagnostic techniques and equipment to find the source of the noise.

C266D code for other Land cars

You can view according C266D DTC for your car model. We selected several models to see obd2 solutions click and view it.

• C266D Land Rover Defender
• C266D Land Rover Discovery
• C266D Land Rover Discovery 2
• C266D Land Rover Discovery 4
• C266D Land Rover Discovery 5
• C266D Land Rover Evoque
• C266D Land Rover Freelander
• C266D Land Rover Freelander 2
• C266D Land Rover Lr2
• C266D Land Rover Lr3
• C266D Land Rover Range Rover
• C266D Land Rover Serie I
• C266D Land Rover Series I
• C266D Land Rover Series Ii
• C266D Land Rover Series Iii
• C266D Land Rover Velar

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