2003 Toyota 4Runner Owners Manual - Page 695

'03 4Runner_U (L/O 0211) Fuel Fuel type: Unleaded gasoline, Octane Rating 87 (Research Octane Number 91) or higher. For improved vehicle performance, the use of premium unleaded gasoline with an Octane Rating of 91 (Research Octane Number 96) or higher is recommended. Fuel tank capacity, L (gal., Imp. gal.): 87 (23.0, 19.1) Service specifications ENGINE Valve clearance (engine cold), mm (in.): 1GR-FE engine Intake 0.15-0.25 (0.006-0.010) Exhaust 0.29-0.39 (0.011-0.015) 2UZ-FE engine Intake 0.15-0.25 (0.006-0.010) Exhaust 0.25-0.35 (0.010-0.014) Spark plug type: 1GR-FE engine DENSO NGK 2UZ-FE engine DENSO NGK K20HR-U11 LFR6C11 SK20R11 IFR6A11 "Toyota Genuine Motor Oil" is filled in your Toyota vehicle. Use Toyota approved "Toyota Genuine Motor Oil" or equivalent to satisfy the following grade and viscosity. Oil grade: API grade SL "Energy-Conserving" or ILSAC multigrade engine oil Recommended oil viscosity: SAE 5W-30 Spark plug gap, mm (in.): 1.1 (0.043) ENGINE LUBRICATION Oil capacity (drain and refill), L (qt., Imp. qt.): 1GR-FE engine With filter Without filter 2UZ-FE engine With filter Without filter 5.2 (5.5, 4.6) 4.9 (5.2, 4.3) 6.2 (6.5, 5.5) 5.7 (6.0, 5.0) Outside temperature Please contact your Toyota dealer for further details. 2003 4RUNNER from Oct. '02 Prod. (OM35804U) 349