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Jaguar Models

  1. Ensure all connections and hoses are clean and tight. Connect vacuum gauge to purge hose at canister. Start cold engine and observe gauge. No vacuum should be present at 2000 RPM or idle.
  2. As engine warms up, a small vacuum should be indicated on gauge with engine at 2000 RPM. If system does not operate correctly, check that thermal switch is open above 113° F (45° C). If so, replace solenoid valve.
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