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Diesel particulate filter (DPF)

P242F Particulate filter full of ash

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P242F means: Particulate filter full of ash. The particulate filter is full of ash. Drive gently and have the car checked soon. The repair usually costs about €250–1500 in Estonia. The most common cause: filter is old (often over 200,000 km). Other possible causes: engine is burning oil, wrong engine oil.

Is it safe to drive?Get it checked soonDrive gently and have the car checked soon.
Typical repair cost€250–1500parts and labour in Estonia

What it means

The particulate filter is full of ash. Ash can't be burned off, so the filter has to be cleaned or replaced.

What could be wrong

  1. 1Filter is old (often over 200,000 km)
  2. 2Engine is burning oil
  3. 3Wrong engine oil

What you can check yourself

You can keep driving, but the filter won't clean itself any more. Book a time with us. Best left to a workshop. It needs a diagnostic tool and experience.

How we fix it

  1. We check the filter ash load with a diagnostic tool
  2. We clean or replace the filter
  3. We reset the ash counter

Standard SAE description: Diesel Particulate Filter Restriction - Ash Accumulation

This code usually comes with: Diesel particulate filter (DPF) lightSee what the light means →

Want a definite answer?

Bring the car to our workshop in Estonia for diagnostics. We read the fault codes, test the sensors and tell you what is wrong. Repair price depends on the work involved, generally €45 per hour.

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Questions

What does fault code P242F mean?

Particulate filter full of ash. The particulate filter is full of ash. Ash can't be burned off, so the filter has to be cleaned or replaced.

Can I drive with code P242F?

Drive gently and have the car checked soon.

How much does it cost to fix P242F?

Roughly €250–1500 in Estonia. The price depends on exactly what has failed and on the car.

How is P242F fixed?

We check the filter ash load with a diagnostic tool. We clean or replace the filter. We reset the ash counter.

Related codes

P2463Particulate filter full of sootP2464DPF differential pressure: too low (bank 2)P2465DPF differential pressure: too high (bank 2)P0402Too much gas flowing through the EGR valveP0033Turbo bypass valve: circuit faultP0424Catalyst temperature sensor: too low (heated catalyst, bank 1)

Based on AI combined with our hands-on workshop experience and knowledge. This information is general and prices are approximate (Estonian workshop rates). The same code can mean different things on different cars. Only an inspection of the car gives a definite answer.

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