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Home >> Honda >> 1994 >> Prelude VTEC >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - System/Component Tests >> Engine Sensors & Switches >> Manifold Absolute Pressure (Map) Sensor >> Vacuum Test
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Vacuum Test

Connect vacuum pump to MAP sensor. The MAP sensor is located at top center of firewall. Apply vacuum. If MAP sensor does not hold vacuum, replace sensor.

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