Unmask the Mystery Old Spark Plugs and Their Role in Acceleration Wobbles

No, its not normal. Is it misfiring? Bad coils will show up when its working hard. If the shaking is constant I'd guess it was a tire out of balance. The spark plugs are only one item to be changed or checked in the search for the vibrations you describe (that MIGHT be misfire vibes). In the ... 3: Your plugs have lost their spark. If your car starts shaking and jerking when you press down on the accelerator, or if starts to feel like ... I have changed the spark plugs ... I don't think that its that since when i press on the brake during the shutter or shake it will continue rather ... And, when the head gasket is damaged and coolant starts leaking into the combustion chamber, it leaves coolant deposits on the spark plug behind. This causes ... A damaged CV joint will cause your vehicle to vibrate under hard acceleration. As it worsens, the minor vibrations can turn to violent shaking. 2009 Honda Pilot ~156K miles. Just replaced 7mo old alternator, which mechanic attributed to oil leaking into it. After a little research ... Misfiring, which occurs when the engine doesn't fire in the correct order, can cause shaking. This could be due to spark plugs, spark plug wires ... Worn or dirty spark plugs can cause a petrol car's engine to misfire in one or more cylinders, which can cause vibrations when the car is idling or at running ... 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 ...