What is f23a4?

The F23A4 is a 2.3-liter inline-four engine produced by Honda and used in the 1998-2002 Honda Accord. It is an SOHC engine with a VTEC system, producing 150 horsepower at 5700 RPM and 152 lb-ft of torque at 4900 RPM. It features a 9.3:1 compression ratio and a non-interference valve train design, meaning that there is no risk of piston-to-valve contact in the event of a timing belt failure. The F23A4 engine is known for its reliability and longevity, with proper maintenance allowing it to last for well over 200,000 miles. It is also a popular choice for those looking to increase power output through modifications such as intake and exhaust upgrades, as well as forced induction.