U0614

Symptoms

• Check Engine light comes on
• Increased fuel consumption
• Reduced engine power
• Unstable engine operation at idle
• Possible problems starting the engine in cold weather

Causes

• Open or short circuit in the sensor circuit
• Intake air temperature sensor malfunction
• Poor contact in the sensor connector
• Wiring harness damage
• ECU malfunction (rare)

How to Fix

1. Check the integrity of the sensor circuit (open circuit, short circuit)
2. Check the sensor connector for corrosion or damage.
3. Check the resistance of the intake air temperature sensor
4. Replace the intake air temperature sensor if necessary
5. Check and replace wiring harness if necessary

Related codes

Error U0614 by Vehicle Brand