Unmasking the Spark Plug-Check Engine Light Correlation

An easy first step is pop the hood and make sure all your connections are clipped. Could be the MAF isn't clipped in all the way causing a code and lackluster ... Old spark plugs or fried spark plug wires can also signal your check engine light to turn on. Unfortunately, it's hard to tell if this is the ... 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. Bad spark plug wires can also cause your check engine light to come on. Battery Issues. Your vehicle's battery is another important component of engine function ... The answer is - yes! Worn spark plugs can cause your vehicle's check engine light to illuminate, indicating an issue. It may even be a flashing ... 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 ... Most likely the plugs that you put in your car are the Bosch Platinum+4 or even the Bosch Fusions. Either way, those plugs are pre-gapped at the ... While something like a loose gas cap (a common cause behind the check engine light) can be fixed easily, other issues (faulty sensors, old spark ... A broken, old or dirty spark plug can cause the engine to misfire. If the problem is completely ignored or you continue to drive, this can spread to the spark ... 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 ...