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Old 25th November 2019, 21:34   #59
Rsnail
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Rover 75 Saloon

Join Date: May 2015
Location: Essen (Oldenburg), Germany
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Unestimated value you are providing here! Never thought it was possible for an engine to misfire if the gap is smaller, thought it could only misfire if the gap is larger since smaller gap allows for the spark to get ignited better. I think the logical explanation for this is that the ECU also calculates the exact time of the spark taking into consideration the normal spark gap and if the gap is smaller, the spark happens just a bit too early to create misfires, of course I am only speculating.

Will try tomorrow to increase the gap to 1mm, do you guys know a way to do this with stuff I can find at home or in my garage without damaging the plugs?
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