1991 Honda Civic, automatic transmission, the car/steering wheel shake badly when the car stops at the red light. It only happens when brake pedal is pressed AND in D gear. If shift from D to N, the shake disappears. As soon as the traffic light turns green and the car starts to accelerate, the shak…

You have a failed motor mount. Pretty cheap repair for your car, maybe $100 max.

Thanks for the reply. If engine mount is bad, shouldn’t the car shake all the time. It only shakes when stops in traffic light and only in gear. Shifting to neutral then shake is gone.

kizwiki’s guess is certainly possible but it is just a guess. What you have to wrap your head around is that putting the car in gear puts load on the drivetrain. It is that load that is leading to the shaking. This might happen because of a bad motor mount. It will also happen for 100 other reas…

Something wrong with the air/fuel mix (thus do air & fuel filters, check fuel pressure and for vacuum leaks) or something wrong with spark (thus have a look at the spark plug wires). But a look at the motor mounts is also in order. If nothing turns up there then you move on to other things (like d…

The check engine light was one a few times duel to misfire (I guess since Autozone can’t read code for older cars). After I replaced the spark plugs, the engine light was still on a few times. After I pour some fuel injector cleaning liquid to gas tank, the light is no longer on anymore so far. This…

The mounts can be diagnosed using a floor jack. Have an assistant run car in gear with foot on brake. Use floor jack to jack engine up slightly to get the weight off the mount. If this helps, then it’s a mount.

Is There An Alternate Route That You Can Take That Has Stop Signs And Not Red Lights ? (" . . . the car/steering wheel shake badly when the car stops at the red light.") CSA

The car would not shake during normal idle when the car is in neutral or park with one bad mount. But, the engine would visibly move when revved in neutral. You can have someone rev the engine while you are looking at the engine. See if it doesn’t move a few inches or more while the engine is rev…

Car shake violently at traffic light

Maintenance/Repairs

qqqqqqq February 21, 2011, 2:47pm 5

I guess it might be to do with the fuel system and idle speed because when the traffic light turns green, I apply the gas pedal (it certainly puts load on the drivetrain) then the shake is gone and the engine is quiet. Perhaps not enough air/fuel mix at idle while in gear (load on engine) causes the shake?

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Car shake violently at traffic light

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