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1993 Jaguar XJ6 missing

Tiny
THOMAS FISH
  • MEMBER
  • 1993 JAGUAR XJ6
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 150 MILES
Just bought a 93, 3.2 xj6 and its missing on number 3, changed the injectors, did a compression test, showed 10 then did it again and it showed 5, its sparking well and the engine does not smoke. Help?
Thursday, July 31st, 2008 AT 4:31 AM

1 Reply

Tiny
JAMES W.
  • MECHANIC
  • 2,394 POSTS
Question; What do the rest of the cylinders read?
Average good compression should be 150 to 160 lbs.
If #3 is the only cyl. That is low, it's either a burned or bent valve, or a flat lobe on the cam shaft. If #3 "is" the only one low, that rules out head gasket. You can visually inspect the camshaft by pulling the valve cover. Good luck.
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Saturday, October 4th, 2008 AT 9:48 PM

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