daverclasper Posted September 24, 2016 Report Share Posted September 24, 2016 Hi folks had to unavoidably drive 50 miles to a wedding with car not firing on one (no 2) cylinder (out of six). I had taken it gently. Just wondering if this caused harm. My thoughts were. Cylinder not getting hot. Only a tiny amount of fuel vapor that gets thrown out on exhaust stroke so not washing bores. Only asking, as replaced plug from that cylinder is now a bit oily and carbonated (150 miles later) and not shown that in since owned car 3 years ago (though maybe it was cause of old plug not firing). Plug was petrol wet with not firing, so replaced it with spare in case plug had failed. Any thoughts, would be great. Cheers, Dave Link to comment Share on other sites More sharing options...
Pete Lewis Posted September 24, 2016 Report Share Posted September 24, 2016 It wont do any real harm , did the replacement get it on all 6 .? Pete Link to comment Share on other sites More sharing options...
daverclasper Posted September 24, 2016 Author Report Share Posted September 24, 2016 Thanks Pete. Yup. Fired up on all six straightaway and done 150 miles since. I know I can do compression test to point to things, but I'm trying to get in the frame of mind, that it's an old car and running well , so don't get obsessive Cheers, Dave Link to comment Share on other sites More sharing options...
Pete Lewis Posted September 25, 2016 Report Share Posted September 25, 2016 plugs....life and soul of the engine they can fail , its not uncommon even new ones been known to die early if the exhaust is a nice burble with no coughs leave it in peace till you need to do a service dont mess about with old unknown plugs , its not worth the bother Pete Link to comment Share on other sites More sharing options...
JohnD Posted September 25, 2016 Report Share Posted September 25, 2016 If cause was faulty plug, all you need is an "Italian tune-up", a blast as fast and hard as you can! If there was another cause, deal with that first, then the "Tune-up". I recommend such "Tune-ups" at least once a week! JOhn Link to comment Share on other sites More sharing options...
daverclasper Posted September 26, 2016 Author Report Share Posted September 26, 2016 Hi and thanks. Would like to take it for a hard blast to clear carbon etc, though concerned something might "let go" as don't have any history of any rebuild type engine work that may have been done in the past. Cheers, Dave Link to comment Share on other sites More sharing options...
Fasterandfuriouser Posted October 11, 2016 Report Share Posted October 11, 2016 If something 'lets go', it needed replacing anyway. Link to comment Share on other sites More sharing options...
JohnD Posted October 12, 2016 Report Share Posted October 12, 2016 And I'm not talking 6-7K,just running it up the revs as quick as it will,against so e work, upbhill if poiss. And a few mway miles. No revving tbenuts off! Link to comment Share on other sites More sharing options...
daverclasper Posted October 14, 2016 Author Report Share Posted October 14, 2016 If something 'lets go', it needed replacing anyway. I think that's subjective. Link to comment Share on other sites More sharing options...
GT6M Posted October 14, 2016 Report Share Posted October 14, 2016 IF any damage woud have been done, it would have been to the bores as the fuel dilution would ev took the oil covering of the bores. as nee spark /bang to ignite it, it is a.. wash down... sort of actionee on the bores gon a long way, then rings / bores could have suffered Butt, then agen,it could ev actually removed some glaze frae the bores, to could actually be working better on that cyl All depends on just hoo far it went,or what was needed t,doo damege,or doo it some good M Link to comment Share on other sites More sharing options...
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