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Just recently got a jaguar xj6 wouldn't start replaced coil and now it starts but when I put it in drive it diesels and dies, sounds like its sucking air and I do t have book to look up vacuum lines some aren't hooked up

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Leaking or missing vacuum lines can definitely make an engine die or run poorly. In my experience, once you've unhooked an old, hard rubber line, it probably won't seal properly when you hook it up again. So I suggest changing all the lines that you can reach.
Also, there's usually a big vacuum line to the power brake booster, which can leak a LOT of air if it gets hard and doesn't seal properly. The cruise control motor, which is vacuum operated, is another place to check. Also, check the vacuum line(s) to the PCV valve and the rubber seal that it sits in -- again, a likely source of leaks.
Any idea why the previous owner disconnected some of the lines? If he was trying to solve a problem, it may still be there when you replace the lines, and had nothing to do with them.

Posted on Jul 07, 2019

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Posted on Jan 02, 2017

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Anonymous

  • 1 Answer

SOURCE: Starts but will not turn over

check the wires on the coil, try switching them, i had this exact problem. the wires were on correct as of the diagram but they were actually backwards. its an easy fix if that is the problem, the coin is right on top the engine.

Posted on Oct 13, 2009

gerry bissi

  • 4388 Answers

SOURCE: jaguar xj6 1995 starting & go for 15 mins

Does check engine light or wrench light come on? If yes, get free computer scan from Autozone or other parts store that offers free scan. Sounds like a sensor is failing

Posted on Mar 11, 2010

Mark Glawdecki

  • 82 Answers

SOURCE: Jaguar XJ6 1993 not starting.

I have had a similar problem and found that the centre wire from coil to distributor cap had slipped back just far enough from inside the coil to not make a good connection..and no spark meant cranking but no spark to plugs...

Posted on Apr 12, 2010

ftw1952

frank thomas wilson

  • 10319 Answers

SOURCE: I have a 1985 Jaguar xj6 and it wont start, I

the oil sensor primes the fuel so was that checked too?

Posted on Jun 30, 2010

duanekxj40

  • 1 Answer

SOURCE: starting issue with 1994 jaguar xj6

Had similar problem which ended up being the Park Gear selection position. Do you get a beep noise when out of gear? What about when in park. Although my car was in Park, it needed wiggling out a little while turning the ignition to get it to crank and has been this way ever since.
Also had a Sovereign with an immobiliser that gave me the same no start problems some times, no solution other than an expert auto electrician for that.

Posted on Aug 06, 2010

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Had similar problem which ended up being the Park Gear selection position. Do you get a beep noise when out of gear? What about when in park. Although my car was in Park, it needed wiggling out a little while turning the ignition to get it to crank and has been this way ever since.
Also had a Sovereign with an immobiliser that gave me the same no start problems some times, no solution other than an expert auto electrician for that.

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Jaguar XJ6 1993 not starting.


I have had a similar problem and found that the centre wire from coil to distributor cap had slipped back just far enough from inside the coil to not make a good connection..and no spark meant cranking but no spark to plugs...

Jan 29, 2010 | 1995 Jaguar XJ6

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I have a 1983 jaguar xj6 thats having problems sometimes when i go 2 start it the instument panel lights /battery light ,seatbelt light,etc / wont light up on the dash and the car will turn over but not...


Sounds like you have a loose ground wire usually found at the the battery post, the distributor, coil or altenator. When a ground wire is loose it will sometimes start the car and let you drive until you go over a bump or make a turn or when you hit your brakes hard especially when parking and then it disconnects and the car will cut off and not start up when you return. Also make sure battery posts are clean and tight.

Oct 01, 2009 | 1985 Jaguar XJ6

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