Unraveling the Check Engine Light Mystery Spark Plugs Under Scrutiny

The Check Engine Light (CEL) should NOT come on after doing a spark plug change properly. There is NO tune-up reminder that needs to be reset, ... My wife drives a 2012 Hyundai Elantra Limited (4 cyl) And just got a check engine light and needs to replace a spark plug. The problem is she is about 250 ... A damaged, old or dirty spark plug can cause the engine to misfire. If the problem is totally ignored or you continue to drive, this can spread to the spark ... Check Engine Light ... Worn-out spark plugs may trigger your check engine light to illuminate. However, because a countless number of other ... ... codes will only appear to a mini mechanic or dealer. When car is ... and what might cause the electrodes on a plug to become so badly ... Worn spark plugs are another common problem that can cause your CEL to illuminate. If the plugs are worn down—or the ignition coil, which provides the ... Spark plugs demand accurate measurements for peak performance, and if the spark plug configuration is incorrect, it could possibly cause a check engine light. Failing spark plugs can cause the car engine to misfire and thus affect its performance. ... Have the car checked at any auto repair shops and replace the plugs ... Getting check engine light after replacing spark plug ... same thing happened to me. disconnect negative terminal on battery, go smoke a cigarette ... Spark plugs and ignition coils play an essential role in a vehicle's ignition system. Working together, they ensure the engine starts smoothly ...