A Series Diesel Engine Troubleshooting Logic 28
Low Power (Continued)
Cause Correction
Air Leak Between the
Turbocharger and the Intake
Manifold.
Check/Correct Leaks in the Air Crossover
Tube, Hoses, or Through Holes in the
Manifold Cover. Refer to Page 100, 101
OK
Exhaust Leak at the Manifold or
Turbocharger
Check/Correct Leaks in the Manifold or
Turbocharger Gaskets. Look for a cracked
Manifold. Refer to Page 101
OK
Malfunctioning Turbocharger
Inspect/Replace Turbocharger.
Refer to Page 101, 105, 109
OK
Valve Clearances Incorrect
Check/Adjust Valves. Refer to Page 179
OK
Injection Pump Internal
Malfunctioning
Check/Time Pump. Refer to Page 77
OK
Low Engine Compression
Perform Compression Check to Identify
Malfunction. Correct as Required.
Refer to Page 158
OK
Worn or Malfunctioning Injectors
Check Injectors. Refer to Page 79
OK
(Continued)
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