This 4.0L engine, identified by the 7th digit VIN 5 and featuring secondary AIR injection, is a reliable used engine with enhanced emission control. The naturally aspirated V6 design offers steady performance, and the sequential fuel injection ensures efficient fuel usage. The DOHC setup with secondary AIR injection further reduces emissions, making it ideal for environmentally-conscious drivers seeking a used engine with dependable power and emission compliance for various driving needs.
