Acceleration Tremors Unmasking the Spark Plug Factor

Damaged or non-functioning spark plugs can cause the engine to perform in fits and starts. If the plugs themselves are fine, it may be that there's an issue ... However, in 3rd and 4th, with cylinder pressure getting much higher under boost, you need those plugs gapped tight to ensure the spark makes it ... If a spark plug is failing or has failed, you'll most likely notice it first at idle. A rough idle can be caused by many different factors, but spark plugs are ... In addition to engine troubles, damaged ignition components can cause rough idling. Like spark plugs, over time the ignition coil can begin to breakdown causing ... Yes, but extreme shaking after a plug change generally means you've swapped two or more plug wires. This is why plugs are changed one at a time ... I've only owned the car for 2 years and I have not checked the spark plugs since I've had it. ... Believe or not, that can cause some bad problems ... Also, have the spark plugs been replaced? I presume there are no check engine lights or codes? A weak spark plug or coil can misfire under load. When spark plugs approach the end of their lifespan, or become dirty, they will often fail to properly ignite the fuel in the piston chambers of ... Upon removing the old coils I noticed a small amount of old oil around the spark plugs. I have read that this can be caused by a bad VCG. I read ... The most likely miss fire cause is a bad coil pack on #3. You need to get this fixed, if you continue to drive the car with the miss it will fill the catalytic ...