"RE-ISSUED DEC 2015. ISSUE: FUEL INJECTORS CLOGGED LEADING TO POOR RUNNING / MISFIRES / ENGINE DETONATION ON AJ-V8 ENGINES. CAUSE: POOR FUEL QUALITY OR FUEL CONTAMINANTS BLOCKING THE HOLES IN THE FUEL INJECTOR."
full bulletin at NHTSA ↗2006 Jaguar XJ fuel system problems
moderate 6 complaints filed with NHTSA · avg repair $1,200 · see fuel system across all vehicles →
Complaints
6
Recalls
0
Avg fix
$1,200
When does it fail?
Of the 6 fuel system complaints filed for the 2006 Jaguar XJ, here's the actual mileage breakdown — failures cluster heaviest at 0-25,000 mi.
0-25k
25-50k
50-75k
75-100k
100-125k
125-150k
150k+
Each bar shows the share of total complaints filed at that mileage range. Peak failure window highlighted. Some owners report problems earlier; some make it well past 150,000 miles symptom-free. Maintenance habits and driving conditions shift the curve as much as mileage alone.
What stands out
No new NHTSA fuel system complaint has been filed on this vehicle in over 19 years — the issue may be aging out of the active population.
Is there a fix? Manufacturer service bulletins
The manufacturer has issued service bulletins covering fuel system on this vehicle — documented repair instructions, service campaigns, or warranty extensions sent to dealers. A TSB isn't a recall (it's not a free safety remedy), but it's the manufacturer acknowledging the issue and how to fix it.
Fuel Injector Concerns 5.0 AJ133 Gasoline.
full bulletin at NHTSA ↗Fuel Injector Concerns 5.0 AJ133 Gasoline.
full bulletin at NHTSA ↗Fuel System Concerns.
full bulletin at NHTSA ↗SDD enhancements for fuel gauge and pump issues-10MY onwards.
full bulletin at NHTSA ↗Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
What owners are reporting 5 most recent
Fax from (pa) 2006 Jaguar xj8 has a defective fuel tank, Jaguar has no plan to do anything until repair problem is devised. *ts *nm
Fuel tank leak of unknown origin considered to be a hazardous condition but with no plans for repair. Consumers have not been informed by company. Company knows about problem. *jb
Car was parked in garage & gasoline spilled under the car damaging garage floor & smelling up the whole house & garage. Car was taken to dealer after we cleaned up the gas & got car out of garage. Dealer advised us that they checked with factory & there was a problem with gas tank and that they would have to order tank from a new manufacturer as the one on the auto had a problem. Still waiting 2…
On may 5, 2006, when my new 2006 Jaguar xj8 was in the garage of my residence, with mileage of 1,634, the automobile experienced a massive fuel leak literally flooding the floor of the garage. The car was taken into the dealership where the service department replaced a flange seal, performed an overnight test drive, and stated that the vehicle "operates as designed". Thereafter, on june 4,…
Car was driving on highway then went into limp mode and started slowing down dangerously with cars behind me blowing horns and going round. *tr
Had fuel system trouble with your 2006 Jaguar XJ?
File a complaint with NHTSA → It's free, official, and how every report above got here — owner filings are the federal safety record this page is built on.
Common questions
How serious is the fuel system problem on the 2006 Jaguar XJ?
It's a documented issue but not catastrophic. 6 complaints have been filed. Repairs average $1,200 and most owners catch it before it causes a breakdown.
At what mileage does the fuel system typically fail?
Based on the 6 complaints filed, fuel system issues most often appear around 16,109 miles. Some report problems earlier; some make it well past 150,000 with no symptoms. Maintenance habits matter — vehicles that received timely fluid services and were not regularly overworked tend to last longer.
What does it cost to fix?
Independent shops typically charge around $1,200 for fuel system repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to fuel system?
No active recalls currently cover fuel system issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.
Related
Complaint and recall data sourced from the National Highway Traffic Safety Administration (NHTSA)
public records database. Verify the raw federal record at
nhtsa.gov/vehicle/2006/Jaguar/XJ.
Severity ratings are derived from reported crashes, fires, injuries, and fatalities. Repair cost estimates are
independent-shop national averages and may differ in your area. Some links on this page are affiliate links.