Car seems to be intermittent misfire
Car seems to be misfire however there is no check engine light to confirm this. Car just rolled 200,000km and I have never had a problem with car until now. The misfire happens during mid acceleration and is more noticeable during cold weather. the misfire only last for short period of time before it dissipating. Had plugs replaced which helped for a couple of days but the misfire has returned. Any suggestions?
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