Diesel particulate filter (DPF)
P2428 Exhaust gas temperature sensor: temperature too high (bank 1)
P2428 means: Exhaust gas temperature sensor: temperature too high (bank 1). The exhaust pressure or temperature sensor tells the computer the exhaust gas pressure or temperature. Drive gently and have the car checked soon. The most common repair costs about €80–160 in Estonia, depending on make and model.
Is it safe to drive?Get it checked soonDrive gently and have the car checked soon.
Sensor replacement€80–160parts and labour in Estonia, depending on make and model
What it means
The exhaust pressure or temperature sensor tells the computer the exhaust gas pressure or temperature. The turbo, particulate filter and emission cleaning are controlled by it.
What you may notice
- Engine light on
- Particulate filter regeneration doesn't start
- The car may go into limp mode
What could be wrong
- 1Sensor damaged by heat · Sensor replacement €80–160
- 2Sensor hose blocked or cracked · Sensor replacement €80–160
- 3Wire or connector damaged by heat · Wiring or connector repair €45–90
- 4Engine computer fault (rare) · Control unit check and software €150–300
Repair difficulty: Easy
What you can check yourself
Check that the sensor hoses are intact and fitted the right way round. You can do the simpler checks yourself.
How we fix it
- We read the sensor on the diagnostic tool and compare it with other sensors
- We check the connector, supply and ground
- We repair the wiring or replace the sensor
Standard SAE description: Exhaust Gas Temperature Too High Bank 1