VAG SPECIALIST ENGINE TIMING

The VAS 611007 is the official Volkswagen Group (VAG) special tool used for precise engine timing.
The Volkswagen EA211 MPI engine.
Engines codes associated with this tool are CHYA, CHYB, CHZD, DSHA, CSEB, DHSB.
Vehicle list: Volkswagen up!, Škoda Citigo, Škoda Fabia III, Seat Mii, Seat Ibiza, Seat Arona, Volkswagen Golf VII, Volkswagen Polo, Volkswagen T-Roc,Volkswagen T-Cross, Volkswagen Vento (A05), Škoda Rapid, Volkswagen Taigo, Audi A1 (GB), Audi Q2, l SEAT León (4th Gen), Volkswagen Taigun, Volkswagen Virtus, Skoda Slavia, Skoda Kushaq.
The EA211 MPI engine, found in many VW Group vehicles like the VW Polo, Up!, Skoda Fabia, and SEAT Ibiza, is a highly precise power unit. When it comes to engine timing, there’s no room for error.
At Autotest, we’ve invested in the official Volkswagen manufacturer timing tool. This specialist equipment is the only tool capable of accurately re-timing an EA211 engine if it's gone out of time. It works by measuring the camshaft angles precisely and aligning the timing with absolute accuracy.
Why is this a big deal?
Many garages use cheaper aftermarket tools to carry out timing belt replacements. These can work – but they often rely on manual alignment and visual references, which can fall short when it comes to real precision. The margins on this engine are tiny, and if the timing is even slightly out, it may run poorly or develop issues down the line.
What happens when timing is out?
Once the timing is off, you can't know exactly where it is without this specialist tool. We've seen more and more vehicles coming in with unexplained running problems or diagnostic issues that trace back to timing errors – often following a timing belt job done without the correct equipment.
The industry grey area:
The truth is, most people (even in the trade) don't know this tool exists – or why it's needed. That includes many independent garages. It's one of the reasons we see so many unresolved issues. At Autotest, we have this tool, and we use it not only to carry out timing work to factory standards, but also to diagnose faults others can’t.
Our current lead time for specialist engine timing work using the EA211 MPI tool is typically 3–6 weeks in advance, depending on workshop demand. However, we may have earlier availability or cancellations.
The best way to get started is to fill out our enquiry form. We'll review your details and get back to you within 1–2 working days with available dates and any further questions.