2006 Toyota Corolla Owners Manual - Page 183

'06 Corolla_U (L/O 0508) -Engine number The engine number is stamped on the engine block as shown. The vehicle identification number (VIN) is also on the Certification Label. 1.8 L 4−cylinder (1ZZ−FE) engine 1.8 L 4−cylinder (2ZZ−GE) engine 183