Cuts Out, Misses

Checks	Action
DEFINITION: A constant jerking that follows the engine speed, usually more pronounced as the engine load increases which is not normally felt above 1500 RPM or 48 km/h (30 mph). The exhaust has a steady spitting sound at idle, low speed, or hard acceleration for the fuel starvation that can cause the engine to cut-out.
Preliminary Check	Refer to Symptoms - Engine Controls .
Engine Mechanical Checks	Perform a cylinder compression check. Refer to Engine Compression Test in Engine Mechanical 6.5L. Check the engine for the following: conditions: Improper valve timing Bent pushrods Worn rocker arms Worn camshaft lobes Broken or weak valve springs, refer to Symptoms - Engine Mechanical in Engine Mechanical - 6.5L. Check the intake and exhaust manifold passages for casting flash. Refer to Intake Manifold Cleaning and Inspection or Exhaust Manifold Cleaning and Inspection in Engine Mechanical - 6.5L (in Unit Repair).
Fuel System Checks	Check the fuel system for a plugged fuel filter, low fuel pressure, air in the fuel system, etc. Refer to Fuel System Diagnosis . Check for water contamination in the fuel. Refer to Contaminants-in-Fuel Diagnosis .