Common Issues with the 1HD-FTE Engine and How to Address Them Introduction: History of the 1HD-FTE Legacy (Common Issues with the 1HD-FTE Engine and How to Address Them) The Toyota 1HD-FTE 4.2-liter inline-six turbo-diesel monster powers legendary Land Cruiser models like the 100-Series and HDJ79. Owing to its unimaginable off-road performance, torque, and power, the