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Discussion Starter · #1 · (Edited)

I have a 2012 Corsa D with the 3 pot A10XEP engine.

Has been running without much problems (Aside from 2 new chains in 60.000 miles)

Now however, it has started having a misfire.

Not all the time, i can drive long distances without a problem.

BUT...If i drive until the engine is warm, then i stop for 5 minutes, and start it, it often seems very down on power, "misfiring" but if i put the clutch down, it usually revs, and the way i get out of the situation is to rev it higher for a mile or so.

It seems to me that the problem is that, when the engine has warmed up, and left for a few minutes, the heat from the engine soaks something that does not like to be hot, as after i drive a mile, with air cooling the engine, it returns to working like normal.

I changed the coilpack and sparkplugs, and found that the old one had a fair amount of corrosion in the top part of one of the spark plug springs, but the problem persists.

Does anyone have a tip, as to what is the most likely culprit ?

Oh i forgot, no MIL lit and no codes stored.
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