Unraveling the Spark Plug-Check Engine Light Connection

It sounds like oil that seeped from the cylinder head into the spark plug tube. A good initial fix (if it's not too bad) is to clean out the plug tube really ... Spark plugs have very exact tolerances for peak performance, and if the spark plug configuration is incorrect, it could possibly cause a check engine warning ... I changed my spark plugs today. Thirty minutes afterwards, I get a check engine light and TRAC OFF message. The codes that I read are P0174, P0171 and P1170. 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 ... (1) Defective Spark Plugs or Wires. A malfunctioning spark plug or wire can cause your vehicle to misfire or run erratically, signaling the ... The spark plug wires deliver the spark from the ignition coil to the spark plugs. If your spark plugs or spark plug wires are bad or old, you will experience a ... A broken, old or dirty spark plug can cause the engine to misfire. If the problem is entirely ignored or you continue to drive, this can spread to the spark ... A bad, old or dirty spark plug can cause the engine to misfire. If your check engine light is flashing, please contact our team of automotive experts at Coggin ... A broken, old or dirty spark plug can cause the engine to misfire. If your check engine light is regularly flashing, please contact our team of automotive ... Spark plugs: ... Old spark plugs and wires can reduce the performance of your car and cause your fuel economy to decrease. When these need to be replaced due to ...