BLG 1.4 TSI 170hp
Engine code BLG is a petrol engine of 1,390 cc, rated at 170 hp. It was fitted to 3 different VW models, which is why the code matters more than the badge on the boot.
Cars fitted with BLG
| Make | Model | Generation | Power |
|---|---|---|---|
| VW | Golf | Mk5 / 1K (2003–2009) | 170 hp |
| VW | Golf Plus | 5M (2005–2014) | 170 hp |
| VW | Jetta | A5 / 1K (2005–2010) | 170 hp |
Which ECU it runs
BLG is controlled by a Bosch MED9.5.10 (BLG/BMY/CAVB pre-2010) / MED17.5.5 (CTHD 2010+) 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 1.4 TSI 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.
See VAGPULSE Look up a fault codeCommon questions
What car has engine code BLG?
BLG was fitted to the VW Golf Mk5 / 1K (2003–2009), the VW Golf Plus 5M (2005–2014), the VW Jetta A5 / 1K (2005–2010).
What is engine code BLG?
BLG is a 1.4 TSI 170hp (petrol).
Which ECU does BLG use?
BLG runs a Bosch MED9.5.10 (BLG/BMY/CAVB pre-2010) / MED17.5.5 (CTHD 2010+) engine control unit.