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is it overfuelling

559 views 4 replies 5 participants last post by  The Rig 
#1 ·
my 16v cav mk2 seems to be popping like it has a very slight miss the exhaust is also very sooty inside is it likely that it may be over fuelling if so what could be causing this and would this affect performance or possibly cause damage to the engine.
 
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