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ALH 1.9 TDI 90hp

Engine code ALH is a diesel, rated at 90 hp. It was fitted to 4 different VW Group models, which is why the code matters more than the badge on the boot.

Cars fitted with ALH

MakeModelGenerationPower
AudiA38L (2000–2003)90 hp
VWBeetleNew Beetle 9C (1998–2010)90 hp
VWBora1J (1998–2005)90 hp
VWGolfMk4 / 1J (1997–2004)90 hp

Which ECU it runs

ALH is controlled by a Bosch EDC15V (VP37) engine control unit.

What goes wrong with this engine

The faults this engine is genuinely known for — and the timing arrangement, which decides a great deal about running costs — are covered in 1.9 TDI PD problems.

Where to find your engine code

The three or four letter code is stamped on the engine block and is usually printed in the service book. It is also stored electronically, so any diagnostic tool that talks to the engine control unit will read it back without you having to find the stamping.

The code matters more than the model year. Cars of the same age and badge were built with different engines, and the timing arrangement, common faults and correct parts all follow the code rather than the year.

VAGPULSE reads the engine code straight off the ECU, along with every stored fault and the live data behind it — so you never have to guess which engine you have. One payment, no subscription.

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Common questions

What car has engine code ALH?

ALH was fitted to the Audi A3 8L (2000–2003), the VW Beetle New Beetle 9C (1998–2010), the VW Bora 1J (1998–2005), the VW Golf Mk4 / 1J (1997–2004).

What is engine code ALH?

ALH is a 1.9 TDI 90hp (diesel).

Which ECU does ALH use?

ALH runs a Bosch EDC15V (VP37) engine control unit.