Ignition Insight Old Spark Plugs and Their Role in Acceleration Shudders

If your car shakes when you start it up, the most likely culprit is either worn out spark plugs or a dirty engine filter. Old spark plugs can ... 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. 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 ... Seems like the spark plug issue. same thing happened to me. This is a common issue with plugs on the 35is. if you have warranty, they replace it. 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 ... The most common reason for a car jerk while accelerating is that one or more of your spark plugs may be going bad, which will lessen performance if the problem ... Faulty AC Compressor ... Another common cause of car shaking when accelerating is a malfunctioning AC compressor. Damaged air conditioning exerts ... Similarly, worn-out spark plugs can degrade your engine's performance, causing misfires and shakes. Replacing them might restore your ... 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. Engine shaking at acceleration.....I just had all spark plugs replaced, No haven't checked it yet.... Check engine light.