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Home >> Suzuki >> 2001 >> Vitara JS, 4D Utility, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics >> Diagnostic Tests >> DTC P0450: EVAP Circuit, Pressure Sensor Malfunction >> DTC Confirmation Test
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DTC Confirmation Test

  1. Ensure intake air temperature is 18°F (-8°C) or more, vehicle is at an altitude of 8000 feet or below, engine coolant temperature is at 18-230°F (-8-110°C), and barometric pressure is 75 kPa or more. Turn ignition off, connect scan tool and turn ignition on. Clear DTCs. See CLEARING DIAGNOSTIC TROUBLE CODES  under SELF-DIAGNOSTIC SYSTEM.
  2. Start engine and allow it to reach normal operating temperature. Drive vehicle at speeds of 30-40 MPH or more for 2 minutes. Stop vehicle. Check for DTC P0450. See RETRIEVING DIAGNOSTIC TROUBLE CODES  under SELF-DIAGNOSTIC SYSTEM.
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