This black box on the side of the injection pump gets hot and dies. Relocate the PMD to the front bumper with a heatsink kit.
For early Humvee owners, the 6.2L is a staple. It provides adequate power for stock vehicles but struggles significantly when heavy "up-armored" kits are added. Today, these engines are becoming rarer, often replaced by more powerful variants during overhauls. humvee motor
In the Expanded Capacity Vehicle (ECV) variant, the Humvee motor received a cooling system overhaul, a new engine control module (ECM), and a water-cooled wastegate. Output rose slightly to 205 hp and 440 lb-ft of torque. This black box on the side of the
The Humvee's motor has undergone several iterations to meet increasing weight and power demands. Engine Type Specs / Notes 6.2L GM Diesel V8 1985 – Mid-1990s The original motor, producing roughly . Typically paired with a 3-speed transmission. 6.5L GM Diesel V8 It provides adequate power for stock vehicles but