2008 OPEL CORSA
47,000 MILES
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Spark plug completely broken of at cylinder nr.3 5 months ago & replaced. Now the same one at cylinder nr.3 has broke again.

What can be wrong?
Jan 29, 2013 at 10:09 AM
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MHPAUTOS
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At what part of the plug are they breaking, at the base of the porcelain at the metal thread?
Jan 29, 2013 at 10:32 AM