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Home >> Jaguar >> 2000 >> XJ8 Base >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Controls - Self-Diagnostics >> Diagnostic Trouble Code Identification >> DTC P0456: EVAP System Small Leak Detected >> Diagnostic Test Procedure
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Diagnostic Test Procedure

Perform a visual inspection of all accessible pipes, connectors and components. Repair any faults as necessary. Using K-line or Vacutec equipment, check the joints/connections. If a is fault found, repair as necessary. Repeat the K-line or Vacutec test. Clear DTC. Perform a full Evaporative system monitor drive cycle. See DRIVE CYCLES . Recheck DTC(s). If no fault is found, possible intermittent fault with vapor hoses or "O" ring seals. Carefully check condition of hoses and seals. Replace any suspect seals. Repeat the K-line or Vacutec test. Clear DTC. Perform a full Evaporative system monitor drive cycle. See DRIVE CYCLES . Recheck DTC(s).