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Home >> Honda >> 2009 >> S2000 Base >> Repair and Diagnosis >> Engine Performance >> System >> Advanced Diagnostics >> DTC P1128: Manifold Absolute Pressure (MAP) Sensor Signal Lower Than Expected >> Driving Pattern
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Driving Pattern

  1. Start the engine. Hold the engine speed at 3,000 rpm without load (in neutral) until the radiator fan comes on.
  2. Drive the vehicle at a speed of 15 mph (24 km/h) or more with a throttle position as specified under Enable Conditions for at least 2 seconds.