Symptoms of Surging

If the air pressure in the blower falls below delivery pressure, there will be a sudden breakdown of air delivery. This is followed by a backflow of air through the blower, which will continue until the delivery resistance has decreased to resume air discharge.

 

This periodical breakdown of air delivery is called surging which produces an irregular howling noise from the turbocharger

 

Symptoms of Surging

  • Howling Noise
  • Rapid surges in scavenge air pressure
  • Intermittent intake of air by blower
  • The repeated irregular violent thud from air intake to the blower
  • Alternate suck in and push out at blower air intake
  • Fluctuating rpm of turbocharger
  • Increased fuel consumption
  • Overheating
  • Loss of power

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