20 Most Recent 1986 Jaguar XJ6 Questions & Answers


The first thing you should do is check the basics.
When was it last given a full service?
Make sure the air filter is clean.
Is the fuel getting to all the cylinders?
Are all the cylinders getting a spark? (I'm assuming it is a gasoline motor).
If there are any warning lights on the dashboard GET THEM CHECKED BY A GOOD MECHANIC!

1986 Jaguar XJ6 | Answered on Feb 08, 2018


The best way is to take the tank out completely to clean , as you have to make sure that it is 100% clean so that the problem is solved completely.
If not cleaned properly it will make you a lot of problems

1986 Jaguar XJ6 | Answered on Aug 06, 2016


Remove as much fuel from tank using a syphon or plastic pump.
Remove tank from car, Tip it upside down to drain remaining fuel.
DO NOT WELD the tank if it is leaking or the remaining fuel fumes will explode.

1986 Jaguar XJ6 | Answered on Aug 02, 2016


Looks like the carb's need Tuning / Balance, but first start with compression test, plugs and leads 1986 prob still on points? check condenser, then do the carb's

1986 Jaguar XJ6 | Answered on Aug 05, 2014


most likely it may be a bad valve or maybe the module ..could be dirty transmission fluid..

1986 Jaguar XJ6 | Answered on Jan 13, 2014


run fault codes and look for cam/crank position sensors fault.

1986 Jaguar XJ6 | Answered on Nov 03, 2013


take Q tip and clean the tip of the injector with alcohale

1986 Jaguar XJ6 | Answered on Nov 03, 2013


You should have a fuse box that pivots down from under the dash. There are two or three harness plugs in the back.

1986 Jaguar XJ6 | Answered on Jun 20, 2013


No such part name.

1986 Jaguar XJ6 | Answered on May 07, 2013

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