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DW12DW12TED4

2.2 HDi 128-138 (DW12 TED4, single turbo, 2000-2006) engine: faults and reliability

PSA/Ford 2.2 HDi and TDCi (DW12) version

With caution

Fiches-auto documents a recurring DPF clogging problem in this version (98 cases out of 277 reviews); check the maintenance history of the DPF and the additive system before buying.[1]

Years
2000–2006
Power
128–138 hp
Faults that affect it
4
3 of high or critical severity
Cars that use it
6
in our database

9 sourcesHow we work

What changes in this version

First generation of the engine: a single turbo and a particulate filter (DPF) with additive as standard. It is the launch engine of the Peugeot 607 (133 hp), the Peugeot 807/Citroën C8 (128-130 hp) and the Peugeot 407/Citroën C5 (136-138 hp).[2][3][4][5][6]

Engine codes of this version: DW12, DW12TED4.

Faults of the DW12 engine

The documented engine faults that affect this version and its years, from most to least important.

  1. 1High severityFrequency: CommonEmissions controlDPF clogging with additive, especially on the 128-138 hp versionThe particulate filter (DPF) with additive on the 2.2 HDi has a documented recurring problem in the 128-138 hp version (98 cases out of 277 reviews on fiches-auto); the more powerful twin-turbo versions show far fewer cases. The emissions fault warning light comes on and, if ignored, the car loses power.
  2. 2High severityFrequency: OccasionalTurboTurbo faults, somewhat more frequent on the sequential twin-turbo versionsThe 2.2 HDi comes in single-turbo versions (128-156 hp) and twin-turbo versions with two turbochargers in sequence (170 hp and up). Fiches-auto does not consider it a chronic problem, but it does record a significant number of turbo cases across all power outputs, somewhat higher on the twin-turbos.
  3. 3High severityFrequency: OccasionalInjectionPiezo injector wear and failureThe 2.2 HDi uses third-generation common-rail injection with piezo injectors at up to 1,800-2,000 bar. Fiches-auto documents injector cases across several power outputs, without it being the most repeated fault, with symptoms of hard starting, jerking or higher fuel consumption.
  4. 4Medium severityFrequency: RareClutchDual-mass flywheel wear, less frequent than on other HDi enginesThe 2.2 HDi has a dual-mass flywheel but, unlike smaller HDi engines such as the 1.6 HDi, fiches-auto does not document a chronic problem: very few cases in the tables consulted. Even so, it is a wear part: vibration and knocking are the signs to watch for before buying.

Cars fitted with the DW12 engine

Open each car to see all its faults with this engine and what to check before buying it.

Citroën

Peugeot

Frequently asked questions

Is the DW12 engine reliable?

Our verdict is “With caution”. Fiches-auto documents a recurring DPF clogging problem in this version (98 cases out of 277 reviews); check the maintenance history of the DPF and the additive system before buying.[1]

What faults does the DW12 engine have?

The documented ones that affect this version, by importance: DPF clogging with additive, especially on the 128-138 hp version (high severity), turbo faults, somewhat more frequent on the sequential twin-turbo versions (high severity), piezo injector wear and failure (high severity) and dual-mass flywheel wear, less frequent than on other HDi engines (medium severity).

Which cars use the DW12 engine?

Peugeot 407 (2004–2009), Peugeot 607 (1999–2010), Peugeot 807 (2002–2010), Citroën C5 I (2001–2007), Citroën C8 (2002–2010) and Peugeot 406 (2001–2005).[3][4][5][6][7][8][9]

Are you buying a car with the DW12 engine?

We will put you in touch with a partner only if you authorise it in the form.

Do you have a car with this engine? Tell us which faults you have had and at how many kilometres. Report your fault.

Sources

Every fact on this page links to its source. If you find an error, let us know.

  1. Essai, avis et fiabilité des 2,2 HDI 136 chevauxFiches-Auto · Motoring press · consulted 27 September 2026 · in French
  2. PSA EW/DW engineWikipedia (inglés) · Other source · consulted 27 September 2026
  3. Peugeot 607Wikipedia (español) · Other source · consulted 27 September 2026 · in Spanish
  4. Peugeot 807 / Eurovan (Sevel)Wikipedia (español) · Other source · consulted 27 September 2026 · in Spanish
  5. Peugeot 407Wikipedia (español) · Other source · consulted 27 September 2026 · in Spanish
  6. Citroën C5Wikipedia (español) · Other source · consulted 27 September 2026 · in Spanish
  7. Peugeot 807, ahora con motor 2.2 HDi de 170 cvMotorpasión · Motoring press · published 31 October 2007 · consulted 27 September 2026 · in Spanish
  8. Citroën C5 2.2 HDI 173 FAPAutopista.es · Motoring press · published 15 June 2006 · consulted 27 September 2026 · in Spanish
  9. Peugeot 406 (tabla de motorizaciones y periodos de construcción)Wikipedia (de) · Other source · consulted 30 October 2026 · in German