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forte500 forte500 is offline
Join Date: Jun 2010
Location: Greenwich
Posts: 162
I just had the same problem....misfire at 4500 RPM and no flags with the Motec. Troubleshooted everything, when I noticed some of the plugs had discoloration at the plug-wire interface. Reseated the coil-packs (mounted at each plug) to seat better and went with hotter plug - no more misfire!

My tuner and I agreed that Motec wouldn't pick this type of thing up (unfortunately). Good luck - I can put you in touch with tuner if you need more details.

Old 12-05-2011, 04:20 PM
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