1990-1994 Jaguar XJ6/XJ12: Reliability

Updated: 11/23/08

1991 Jaguar XJ6 Sovereign
1994 Jaguar XJ6/XJ12
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1990-1994 Jaguar XJ6/XJ12

  • Price Range:  $1,400 - $3,600
CG Rating

46

out of 100

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Our reliability study for this generation Jaguar XJ Series includes details on average repair costs, manufacturer recalls, and everything you need to know to gauge the long-term reliability of this generation Jaguar XJ Series .

Trouble Spots

Consumer Guide's® Auto Editors have scoured repair bulletins and questioned mechanics to search for commonly occurring problems for a particular vehicle. In some cases we also give possible manufacturer-suggested solutions. In many instances these trouble spots are Technical Service Bulletins posted by the manufacturer, however, we have our own expert looking at additional vehicle problems.

Air conditioner: The air conditioning may not work due to a defective switch on the main climate-control panel. (1990-91)

Dashboard lights: The "check engine" light may come on when the car is started if it was previously shut off before the engine speed dropped below 1500 rpm. There is a repair that prevents it from recurring. (1993)

Engine misfire: The engine may run on after the key is turned off due to a faulty isolation relay for the canister-purge valve. (1990)

Engine noise: Valve springs have been known to break on the XJ6 sedan. (1990)

Radiator: The radiator fan may not run, or may run with the key off, due to water entering the fan control module by wicking down the ground wire. (1990-94)

Consumer Guide® Estimated Repair Costs

This table lists costs of likely repairs for comparison with other vehicles. The dollar amount includes the cost of the part(s) and labor (based on $50 per hour) for the typical repair without extras or add-ons. Like the pricing information, replacement costs can vary widely depending on region. Expect charges at a new-car dealership to be slightly higher.
Item Name Repair Cost
A/C Compressor $920
Alternator $220
Automatic Transmission or Transaxle $1,010
Brakes $230
Exhaust System $1,035
Radiator $800
Shocks and/or Struts $900
Timing Chain or Belt $705
Universal Joints $215
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