MBE 4000 – Section 17 Low Power Concern Section 17 Low Power Concern 17.1 Factors That Affect Wheel Horsepower 17.2 Low Horsepower Interview 17.3 Aerated Fuel 17.4 Restricted Air Cleaner Element 17.5 Restricted or Cracked Charge Air Cooler or Leaking Intake Manifold 17.6 Faulty Exhaust System 17.7 High Inlet Air Temperature 17.8 Verification of Power With Chassis Dynamometer