John Deere – 1023E, 1025R and 1026R – Injection Pump Timing (EPA Engines)
EPA engines have EPA compliance sticker on rocker arm cover. IMPORTANT: DO NOT attempt to adjust the fuel injection pump timing. For most engine problems, the fuel injection pump timing does not have to be adjusted. If the engine performed well at one time, then performance dropped, the fuel injection timing is NOT the problem.… Read More »