Unmasking the Check Engine Light Culprit Could It Be Failing Spark Plugs?

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 ... Check engine light on after spark plug replacement ; Jun 13, 2018. ycastro16's Avatar. ycastro16. Registered!! ycastro16 is an unknown quantity ... If your spark plugs are fouled or damaged, it can lead to a host of problems including reduced gas mileage, slow acceleration, engine misfires and trouble ... Getting check engine light after replacing spark plug ... same thing happened to me. disconnect negative terminal on battery, go smoke a cigarette ... (1) Defective Spark Plugs or Wires. A malfunctioning spark plug or wire can cause your vehicle to misfire or run erratically, signaling the ... If your spark plugs or spark plug wires are bad or former, you will experience poor performance and reduced power. In some extreme cases, your engine will have ... Your spark plugs create a hot spark that ignites the air-and-fuel mixture in the cylinder, allowing your engine to start and run. Faulty spark plugs or spark ... I've had my Check engine light on for a couple of months. I took it to the dealer and was told that it was code P0171 - System Too Lean - Bank No. 1 (and ... Spark plugs demand accurate measurements for peak performance, and if the spark plug configuration is incorrect, it could possibly cause a check engine light. I'm assuming you do have a turbo car and would like to know how much they charged for spark plug replacement for the numbers I've heard are ...