The VVT-i actuator pulley or the oil control valve (OCV) filter becomes clogged with sludged engine oil.
| Service | Interval / notes | |---------|------------------| | Timing belt | Replace every (60k miles) or 5 years | | Engine oil | 5W-30 (preferred), 5.0L with filter | | Oil filter | Toyota 15601‑25011 or equivalent | | Spark plugs | PK20TR11 (platinum), gap 1.1 mm – replace 100k km | | Coolant | Toyota red LLC – 8.5L capacity, change 3 years | | Valve clearance | Hydraulic – no routine check, but listen for ticking (collapsed lifter) | toyota 1g fe engine manual verified
Clogged VVT-i OCV (Oil Control Valve) filter mesh. When this filter fills with debris, oil pressure fails to actuate the camshaft gear advance mechanism. The VVT-i actuator pulley or the oil control
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The Toyota 1G-FE engine has several features that make it a reliable and efficient engine: