Toyota 200 Series Soot & DPF Problems – What Can You Do About It?

If you own a 200 Series LandCruiser, you may already know about the soot, injector and DPF issues that can affect some vehicles.

The big question is: what can you actually do to help reduce the build-up and lower the chance of the problem getting worse?

A diesel engine will always produce some soot, but problems start when soot production increases and the DPF has to work harder to manage it. Injector deposits, poor fuel spray and incomplete combustion can all contribute to higher soot levels.

That is why it makes sense to work on the problem at the source — keeping the fuel system clean, improving combustion and reducing unnecessary soot and carbon build-up.

Watch: Jimmy explains what’s happening inside a 200 Series fuel system, and why soot, injector wear and corrosion tend to go together.

Which situation are you in?

1. It’s running fine, and you want to keep it that way.

This is the best time to start preventative maintenance. CRD and FTC can help keep the fuel system cleaner, maintain good combustion and reduce soot and carbon build-up before it becomes a bigger problem.

2. It’s already smoking.

If your 200 Series is smoking heavily, running poorly or showing warning lights, get the cause properly diagnosed first. Once any mechanical fault has been corrected, CRD and FTC can then help clean up deposits and keep the system cleaner.

3. It’s been repaired, and you don’t want a repeat.

If you’ve already had injector, DPF or warranty repairs carried out, preventative treatment makes a lot of sense. CRD helps maintain the fuel system and injectors, while FTC helps reduce ongoing soot and carbon formation, helping protect the work that’s already been done.

4. It’s been remapped or tuned.

A remapped or tuned 200 Series can still benefit from keeping the fuel system clean and controlling soot, particularly if it tows or works hard. If the tune is causing excessive over-fuelling or heavy smoke, the calibration itself should be checked.

The simple idea across all four situations is to help clean it up, then help keep it clean.

How fuel additives can help reduce soot and carbon build-up

Things we’d steer you away from

1. Deleting the DPF 

It may remove the symptom, but it is not a legal repair for a registered road vehicle in Australia and can create roadworthiness, registration and insurance issues.

2. Using a performance tune as a fix 

If the vehicle is already producing too much soot, adding more fuel is not the answer. The cause of the smoke or DPF problem should be diagnosed first.

4. Replacing parts without a proper diagnosis

Injector testing and the correct Toyota repair procedure should guide the repair. Replacing individual parts without understanding the cause can become expensive very quickly.

Not sure what your 200 Series needs?

Give us a call on (07) 3376 6188. Tell us what the vehicle is doing, whether it’s standard, remapped or modified, and what work has already been done. We’d rather point you in the right direction than sell you something you don’t need.

Frequently Asked Questions

Can FTC and CRD clean a DPF?

Yes. FTC can help reduce soot and carbon build-up in the DPF, while CRD helps keep the injectors clean and supports better combustion.

Can I use FTC and CRD in a tuned or remapped 200 Series?

Yes, provided the vehicle is mechanically sound. They will not correct an unsuitable tune or excessive over-fuelling.

Should I use FTC and CRD before I have a DPF problem?

Yes. They are well suited to preventative maintenance to help keep the fuel system cleaner and reduce soot and carbon build-up.