6.7 Power Stroke Symptoms

Common 6.7 Power Stroke symptoms, what usually causes them, and how to narrow them down.

• Black Smoke Under Load — 6.7 Powerstroke Diagnostic reference for black smoke under load on 2011–present 6.7L Power Stroke.
• DEF Warning or Speed Limit Countdown — 6.7 Powerstroke Diagnostic reference for DEF warnings and speed-limit countdown on 6.7L Power Stroke (2011–present).
• Engine Stalls or Dies While Driving — 6.7 Powerstroke Diagnostic guide for 6.7 Powerstroke (2011–present) when the engine stalls or dies while driving or at idle.
• Frequent DPF Regenerations — 6.7 Powerstroke A diagnostic reference for 6.7 Powerstroke (2011–present) trucks that are regenerating the diesel particulate filter much more often than normal, often…
• Hard Start or Long Crank — 6.7 Powerstroke Diagnostic reference for hard start or long crank on 2011–present 6.7L Power Stroke. Covers fuel supply and high-pressure rail pressure loss, air ingress…
• Loss of Power or Limp Mode — 6.7 Powerstroke Diagnostic reference for 6.7L Power Stroke (2011–present) loss of power/limp mode. Covers boost/VGT, fuel rail pressure, DPF restriction and emissions derate.…
• Rough Idle and White Smoke on Cold Start — 6.7 Powerstroke A concise diagnostic reference for 6.7L Power Stroke (2011–present) rough idle and white smoke on cold start. Focuses on incomplete combustion when cold and…