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Service bulletin JTB00268NAS3

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10064320
Published by NHTSA2016-05-09
Manufacturer's numberJTB00268NAS3
Manufacturer's date2014-01-06
NHTSA componentENGINE

NHTSA's summary

"SITUATION: ON VEHICLES FITTED WITH THE 4.2L NATURALLY ASPIRATED ENGINE ONLY, THE ENGINE MAY EXPERIENCE A ROUGH START OR STALL FOLLOWING A HOT SOAK OF 15-20 MINUTES. CAUSE: THIS MAY BE CAUSED BY THE FUELING CALIBRATION NOT BEING ROBUST FOR WINTER BLEND 10% ETHANOL FUEL."

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Engine

Vehicles listed
JAGUAR XF2009, 2010
JAGUAR XJ2006, 2007, 2008, 2009, 2010
JAGUAR XK2007, 2008, 2009

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Recalls for the same vehicles and component
10V3320002010-07-22. ENGINE AND ENGINE COOLING

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
NAS24.01.0012024-02-07. Service bulletin. Potential manufacturing issue with replacement thermostats
BIG5JAN24_272024-02-07. Service bulletin. POTENTIAL MANUFACTURING ISSUE WITH REPLACEMENT THERMOSTATS.
SSM720022023-02-06. Service bulletin. coolant pipe leak
SSM719102023-02-06. Service bulletin. Comprehensive Component Monitor-
SSM72114Attachme2023-01-09. Service bulletin. 3.0 & 5.0 Gasoline engines ? High pressure fuel pump diagnostics
SSM72087Attachme2023-01-09. Service bulletin. XF/XJ Eco Stop/Start Additional Diagnostics Information
SSM720372023-01-09. Service bulletin. Fuel Pressure Concern or Poor Engine Performance.
SSM720352023-01-09. Service bulletin. Heated Oxygen Sensor (HO2S) diagnostics on AJ133 5.0L (NA & SC) and AJ126 3.0L
DVD135012023-01-03. Service bulletin. SDD Updates
7-085USA2023-01-03. Service bulletin. The condition may cause the engine Malfunction Indicator Lamp (MIL) to illuminate