Uploaded November 2013 | Updated September 2026, 3 weeks ago
When the 6.4 has too many frequent regens from lack of oil changes, internal leak or non complete regens. The oil will become contaminated with fuel and allow premature wear the rocker arms. This causes a popping noise esp in the air filter/intake.
When the 6.4 has too many frequent regens from lack of oil changes, internal leak or non complete regens. The oil will become contaminated with fuel and allow premature wear the rocker arms. This causes a popping noise esp in the air filter/intake.










