Question about 1988 Jaguar XJ6
I have a 1977 Tbird that is running on 7 cylinders number 6 does not fire car runs rough gets gas but no spark Ford 400M 2BBL
If it is none of the above, could possibly be the piston head itself. I had the same issue with my 91' F-150 with a 302 EFI. Ran all the tests, still came up with low to no compression on the #8. Popped the head off and found out a large chunk of the piston head was gone. Hope that's not the problem, but just throwing it out there
Posted on Oct 27, 2012
Check compression, plug lead & plug, the plug could have a bit of carbon between the point gap
hope this helps
Posted on May 19, 2009
Does not fire where? at the plug? have u checked the wire, cap..hmmm..77 ..how many miles on that motor? have u done a compression check? could be burned valve, fouled plug bad wire worn cap and or rotor ..check the obvious first. start at the plug..if it's not firing, swap it for a known good one.. if it doesn't fire, swap the wire, if it still doesn't fire swap cap and rotor..if that doesn't solve or identify where the bad component is.or if you find you have fire at the plug but still misses on the cylinder.... start looking inside.. run compression check... if it's low squirt oil in cylindeer and check again.. if it comes up drastically.. it's worn rings..but if it stays low probably worn valves. but i'm thinking its somewhere between the distributer and the plug.. good luck...
Posted on May 19, 2009
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Posted on Jan 02, 2017
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