
Toyota Vios engine number is located below the coolant reservoir, at the junction of the engine block and the transmission. It is generally a combination of 7 to 8 digits and letters. In addition to the above method, the engine number can also be viewed in the following 4 ways: The vehicle driving license has the engine number printed on it, usually located on the second last line; The motor vehicle registration certificate will state the engine number; The car purchase invoice will state the engine number; The vehicle purchase tax payment certificate will state the engine number. It should be noted that the engine number is not the same as the engine model. The engine model refers to the specifications and size of the engine within the manufacturer, and the engine model can be the same. The engine number refers to the production number of the engine, each engine can only use one engine number and each engine's number is different.

The engine number on the old Vios is really hard to find. Last time I helped my uncle locate it on his 2005 model, I spent half an hour under the hood. Toyota usually engraves it on the side of the engine block near the firewall. First, open the hood and feel around the metal plate between the engine and the cabin. The position is very deep, so you'll need to use your phone with the flashlight on to take a photo to see it clearly. If it's blocked by the intake pipe, you might have to remove some screws. Also, remember to bring thick red ink when making a rubbing, as it's hard to get a complete imprint otherwise—the DMV is very strict about number clarity. The location varies slightly depending on the Vios model year. If you can't find it, just lift the car and check the bottom side of the engine.

Having repaired Toyotas for over a decade, the engine number location on the Vios left a deep impression on me. It's mainly found on the flat surface of the engine block near the transmission side, mostly at the lower left rear. You'll need to remove the engine cover and plastic shield first, sometimes even relocating the battery. Older models might be covered in grease - spray some carburetor cleaner before wiping. For pre-2005 models, some numbers are engraved near the exhaust manifold; never attempt to check when the engine's hot to avoid burns. Recommended to operate when cold, using scratch-proof mirrors and gloves to inspect crevices. If you still can't locate it, check the final chapter of the owner's manual which contains diagrams marking the specific area.

The engine number of my 2003 Vios is located at the bottom of the firewall on the rear side of the engine. You can only see it by blindly taking a photo with the rear camera of your phone. The position is quite tricky, and the numbers are engraved in reverse. When making a rubbing, remember to use wide adhesive tape, as the rubbing paper won't press firmly and might smudge. It's recommended to go to a repair shop and use a lift to find it. Lying on the ground with cardboard is impractical. For early models, it might also be near the engine bracket, often blocked by the belt.


