P2028

Symptoms

• Check Engine Light Is On
• Slight increase in fuel consumption
• Problems passing the emissions test
• Unstable engine idling (rare)
• Smell of fuel in the cabin (in extreme cases)

Causes

• Damage to the sensor wiring harness
• Poor contact in the sensor connector
• Malfunction of the temperature sensor itself
• Short circuit or open circuit
• Problems with the engine control unit

How to Fix

1. Check the integrity of the sensor wiring harness
2. Clean and check the contacts in the sensor connector
3. Check sensor resistance according to specification
4. Replace the fuel vapor temperature sensor if necessary
5. Reset the error code and check if it returns

Related codes

Error P2028 by Vehicle Brand