The Check Engine Light's Puppet Master Can Spark Plugs Control Its Fate?

When you start any vehicle without something plugged in, your definitely without a doubt going to receive a check engine light as the PCM is detecting some ... Spark plugs require accurate measurements for peak performance, and if the spark plug setup is too small, it could cause a check engine light. Some symptoms of ... 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 defective, old or dirty spark plug can cause the engine to misfire. If your check engine light is always flashing, please contact our team of automotive ... Comments ; CHECK ENGINE LIGHT STILL ON & STILL MISFIRES AFTER CHANGING SPARK PLUGS ? THIS COULD BE WHY. Shaners Mechanic Life · 50K views ; EASY: ... A defective, 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 ... Until then, the systems are "not ready" and do not throw a DTC, nor will the MIL be lit. Bad plugs or wires would cause some sort of misfire, ... 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 ... Some owners ask if spark plugs cause the check engine light to flash? This ... A bad, old or dirty spark plug can cause the engine to misfire. If the ... You probably did not properly torque the new spark plugs. If they are even a little bit too loose you will get a check engine light after a few days of driving.