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Shakes when in drive but stopped at a red light

Shakes when in drive but stopped at a red light but if I put it in neutral, it stops shaking. 2002 Ford Escort

Shakes when in drive when stopped at a red light but stops if placed in neutral

When was the last time (if ever) that the spark plugs were replaced?
Is the Check Engine Light illuminated?
Has your mechanic checked the motor mounts?

I am changing the plugs this weekend. Thank you!

Give it new air & fuel filters while you’re at it. And I’d think about the wires too. An OEM Motorcraft set for that car is very affordable.

Put new air and fuel filters in back in July.