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  1. 6.2L Diesel Engine
    I have a 6.2 in a 1986 M1009. Unknown mileage, has been my daily driver for 3 years. The truck has been getting harder to start lately, which I think is due to bad glow plugs. I'm going to check those this afternoon. It also REALLY struggles at elevation or on steep climbs. It will run...
  2. 6.5L Diesel Engine
    Diagnostic checklist to follow. The only thing that weirds me out is the P0606 code. Anyhoo… 1. Describe the problem you are having in detail: Surging, stalling, lack of power, hard start, generally when warm. 2. Year of truck/engine. 1998 K2500 3. Odometer reading (indicate miles or...
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