• Nov 24, 2025 Case Ih Engine Tune Up Specifications 3 Cyl Eng D155 D1794 Cyl Eng C60 113 123 135 146 153 175 200 D166 188 206 2396 Cyl Eng Bd220 240 264 C221 263 282 291 301 D236 282 301 310 312 gged fuel filter or faulty glow plugs diesel engines can cause hard starting Excessive Smoke Blue smoke often points to burning oil while black smoke indicates a rich fuel mixture White smoke can indicate coolant leaks Summary of Key Points Regular tuneups are essential for maintainin By Mr. Cecil Lebsack