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When any engine has a rough idle in park or neutral, it usually indicates that the firing order of the sparkplug wires may not be correct. A new engine usually means all new parts. Bring it to a shop and ask them to make sure the firing order is correct.
Make sure they connected all the engine mounts and the transmission mount as well.
What else can I help you with?
What cause a car to shake?
If your car shakes while underway, your tires have worn incorrectly from misalignment. If it shakes while in park or not moving, your engine is misfiring.
What could cause a car to shake and stop while in park?
You engine is probably misfiring. Check your ignition and fuel systems.
Why does my car shake Just got timing belt changed and now car shakes when you stop at a light or stop sign?
Timing belt was installed incorrect and engine is out of time.
What can cause a car to shake after you start it?
a bad engine
Why is my car shaking in park and you just got a fairly new engine installed?
this car is known to have an appearance of a rough idle even when everything is fine and a history of short-lived motor mounts
Why would the engine on a car shake after starting?
possibly a broken or missing engine mount
Will the car shake if the engine oil is low?
No, not unless it is so low the engine is overheating.
Why do cars shake when in park or stopped at a traffic light?
The energy being released in the engine is not transferred to the outside; it manifests as vibration, which is transferred to the rest of the vehicle, hence the shaking of the car.
Why does the engine shake when the car is on for too long on a standard car?
because it is going on a rollercoaster of car sensations.mmmmmmmmmmmm.
Could bad spark plugs make a engine shake?
Bad engine cushions can make the engine shake. bad spark plugs cause malfunction as the car starts running.
Car gauges shake when turning on car?
Well, voltage wise, you have a lot going on when your are cranking over the engine, so some flutter, or shake is normal.
Why would a car shake during acceleration?
The pistons are running in the cylinders of the engine, so when the rpm of the engine rises, the pistons quickley build up speed. It is this rapid acceleration of the pistons that casue the car to shake.
