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Cold Air Intake System

Leakage test fresh air intake

  • Tightness is an important factor in modern exhaust systems and critical for the reduction of emissions.
  • The lambda probe, for example, is an important sensor for measuring the residual oxygen concentration in catalytic emission control.
  • If a leak exists, fresh air enters the exhaust tract. This causes the lambda probe to detect an excessive oxygen concentration.
  • The engine management system initiates appropriate measures, but these remain ineffective because the unused oxygen in the exhaust is not a result of the combustion process.