2003 Jaguar X-Type Valve

HISSING NOISE/DRIVEABILITY ISSUES - DTC P0171/P0174 - LEAKING IMT O-RING - IMT O-RING AVAILABLE SEPARATELY TECHNICAL SERVICE BULLETIN Reference Number(s): XT303-13, Date of Issue: June, 2004 JAGUAR:2002 MY-ON X-TYPE VIN:C00001-ON Related Ref Number(s): SECTION XT303, NO. 13, XT303-13 ARTICLE BEGINNING Issue Some 2002 MY-ON X-TYPE vehicles may exhibit driveability/hesitation concerns. Customers may also complain about a hissing noise from under the hood. The concern may be caused by a vacuum leak from the O-ring seal on the Intake Manifold Tuning (IMT) valve. The O-ring is now available separately to avoid the need to replace the entire valve. hope this helps, print it out and take it to the dealer !