Squealie Posted August 22, 2014 Share Posted August 22, 2014 Low rpm misfire v6 2550cc Mondeo. Under load in economy mode in overdrive a misfire occurs when gently accellerating. Clears above 2000 rpm. I think plugs or leads. Any ideas? Quote Link to comment Share on other sites More sharing options...
jeebowhite Posted September 1, 2014 Share Posted September 1, 2014 sounds like a reasonable place to start. I would also do a leak off test to see if your having issues with the output of the injector. Quote Link to comment Share on other sites More sharing options...
btmaldon Posted September 1, 2014 Share Posted September 1, 2014 It does sound like leads and its probably worth changing those and the plugs anyway. If you still have a problem, like James says. Quote Link to comment Share on other sites More sharing options...
Squealie Posted September 2, 2014 Author Share Posted September 2, 2014 It does sound like leads and its probably worth changing those and the plugs anyway. If you still have a problem, like James says. Quote Link to comment Share on other sites More sharing options...
Squealie Posted September 2, 2014 Author Share Posted September 2, 2014 New Bosch plugs fixed it! Old plugs had almost double the gap and very worn. Quote Link to comment Share on other sites More sharing options...
jeebowhite Posted September 2, 2014 Share Posted September 2, 2014 Result! "cheap fix? Quote Link to comment Share on other sites More sharing options...
Squealie Posted September 4, 2014 Author Share Posted September 4, 2014 Yup $38 Quote Link to comment Share on other sites More sharing options...
jeebowhite Posted September 4, 2014 Share Posted September 4, 2014 not bad at all! Quote Link to comment Share on other sites More sharing options...
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