There are 2 stored owner reports matching the speed control & cruise leading-label group for the 2005 Jaguar XJ in our NHTSA-sourced dataset. These are unverified consumer reports and may not reflect confirmed defects.
This group counts stored reports whose component label starts with one of this site's matching prefixes, ignoring case. Each matching report counts once within the group. Components mentioned later in the label or only in the narrative are not searched. How component counts work
Loaded 2 of 2 matching reports.
Open the full vehicle complaint log (all categories)JUST GOOGLE "JAGUAR THROTTLE BODY" AND SEE HOW MANY PROBLEMS CUSTOMERS ARE HAVING. MY 2005 XJ8LWB WITH LESS THAN 60,000 MILES EXPERIENCED A THROTTLE BODY FAILURE WHILE TRAVELING ON THE INTERSTATE. I LOST POWER AS THE ENGINE WENT TO IDLE SPEED AND AN "ENGINE FAULT" MESSAGE ALERTED ME THAT THERE WAS A PROBLEM. FORTUNATELY, I WAS ABLE TO MAKE IT TO THE SHOULDER AND CREEP DOWN AN EXIT, WHERE I WAS ABLE TO FIND A SERVICE STATION. I TURNED THE ENGINE IGNITION OFF AND WAITED FOR 15 SECONDS AND RESTARTED THE ENGINE, THE FAULT MESSAGE WAS GONE AND THE ENGINE HAD POWER AGAIN. I WAS ABLE TO MAKE IT HOME WITHOUT ANOTHER INCIDENT. WE ALL WOULD HAVE BEEN DEAD IF AN 18 WHEELER WAS BEHIND US WHEN THE ENGINE LOST POWER. LAST FRIDAY, I HAD SEVERAL EPISODES WITH THE "ENGINE FAULT" AND LOSS OF POWER, BUT MADE IT TO A JAGUAR DEALERSHIP SAFELY, BUT SHAKEN. THEY PUT THE VEHICLE ON THE COMPUTER AND ANNOUNCED THE CODE THAT RELATES TO THE THROTTLE BODY AND FIGURED THE REPAIRS TO BE $1,100 AND THAT I COULD PICK UP THE CAR TODAY ON AUGUST 23, 2010. OVER THE WEEKEND I SEARCHED THE INTERNET AND SAW THE VAST NUMBERS OF PEOPLE HAVING THE SAME PROBLEM. SOME PEOPLE REPORTED ACCIDENTS. PLEASE LOOK INTO THIS PROBLEM BEFORE SOMEONE IS KILLED. JAGUAR HAS RECALLED EARLIER MODELS WITH THROTTLE BODY PROBLEMS, BUT REFUSES TO RECOGNIZE THIS PROBLEM ON THE 2004 AND LATER MODELS AS OF TODAY. FROM MY DISCUSSIONS WITH JAGUAR USA IT DOES NOT APPEAR THAT THEY WILL OWN UP TO THE PROBLEM UNLESS FORCED TO. HOPEFULLY THIS WHERE THE NHTSA COMES IN. *TR
ON SEVERAL OCCASIONS MY CAR HAS SUDDENLY AND UNEXPECTEDLY ACCELERATED - A VERY SCARY EXPERIENCE. THE DEALER TOLD ME THEY HAD HAD OTHER REPORTS, AND THAT IT WAS ABLE TO BE FIXED - HOWEVER IT HAS NOT BEEN FIXED. THE MOST RECENT INCIDENT (BELOW) HAPPENED WHEN I WAS GOING UPHILL AND HAD EASED OFF ON THE ACCELERATOR BECAUSE TRAFFIC IN FRONT OF ME WAS SLOWING DOWN. INSTEAD, THE CAR RESPONDED AS THOUGH I HAD PUT MY FOOT TO THE FLOOR. *TR
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
NHTSA source checks for this vehicle year
Checks are recorded separately for each dataset, not for the whole page. Dates use UTC. A missing check date does not mean no records exist.
Vehicle import recorded: Apr 28, 2026. This is the stored import date, not confirmation that every source was successfully refreshed.