To figure out what valve is in your 1997 Volkswagen Golf GTI, you'll need to look at the engine code. Here's how:
1. Locate the engine code: This is usually found on a sticker under the hood, near the windshield, or on the driver's side doorjamb.
2. Look up the engine code: Once you have the engine code, you can use an online resource like the Volkswagen parts catalog or a reputable automotive website to find the specific valve information for your model.
Let me know if you have the engine code and I might be able to help you further!