Spark Plugs The Hidden Factor in Check Engine Light Diagnostics

Old or worn spark plugs can cause your engine to knock and misfire, resulting in disastrous and costly consequences. Here are four signs that it's time to ... Check engine light on after spark plug replacement ; Jun 13, 2018. ycastro16's Avatar. ycastro16. Registered!! ycastro16 is an unknown quantity ... Brief explanation of causes and conditions of the Check Engine Light Illumination. I never thought NEW spark plugs could cause a check engine light to come on. ... Old 16th March 2016, 23:39. IFLY152 IFLY152 is offline. Check Engine Light ... Worn-out spark plugs may trigger your check engine light to illuminate. However, because a countless number of other ... Old Spark Plugs ... Spark plugs cause sparks to jump across your combustion chamber. They get the combustion process started in your engine. Failing spark plugs ... It can even cause a "Check Engine" light. Next, test the ... Baseline parts control fuel delivery and produce high voltage to fire the spark plugs. Dirty spark plugs can cause misfires as partially burned engine oil can prevent the plugs ... Old spark plugs can simply break and fail to produce a spark. A faulty, old or dirty spark plug can cause the engine to misfire. If your check engine light is constantly flashing, please contact our team of automotive ... Bad spark plugs can cause your engine to misfire. The engine's ... will create a code that turns on the check engine light. A flashing ...