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SERIES 60 FAULTY EXHAUST SYSTEM

To determine if a faulty exhaust system is causing lack of power, perform the following steps: ‪

  1. Test the exhaust system; refer to section .
  2. Run the engine speed to full load.
    1. If the exhaust back pressure at full load is less than 3.0 in.Hg (10.1 kPa), check for high inlet air temperature; refer to section .
    2. If the exhaust back pressure at full load is 3.0 in.Hg (10.1 kPa) or greater, refer to section .

Engine Exhaust System Resolution

Perform the following steps to resolve the engine exhaust system: ‪

  1. Visually inspect the engine exhaust system; refer to OEM guidelines.
  2. Repair or replace defective exhaust system components; refer to OEM guidelines.
  3. Verify exhaust system resolution; refer to section .
Test the Engine with Replaced Exhaust System

Perform the following steps to determine if replaced engine exhaust system components resolved lack of power condition: ‪

  1. Refer to section for the exhaust caution before preceeding. Start and run the engine.
  2. Test drive the vehicle to ensure lack of power has been resolved.
    1. If no lack of power occurred during the test drive, no further troubleshooting is required. Shut down the engine.
    2. If lack of power occurred during the test drive, shut down the engine. Check for high inlet air temperature; refer to section .