Question about 1997 Toyota Corolla

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Vacuum advance why does my car vibrate a lot?

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Could be a cylinder miss, or a weak motor mount among other things.

Posted on May 07, 2013

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Posted on Jan 02, 2017

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1997 mercury villager acting like its not vacuum advancing when I press on the gas pedal


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79 series turbo Landcruiser ute idles fine although the engine shudders at higher revs. No miss in the engine or popping in the exhaust. Shudders to a stall sometimes during takeoff. Engine and gearbo


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I have motor vibration. My mechanic at I have a leak around says the manifold. cant that be true.


Yes it can be the problem. If you are pulling a vacuum into the intake manifold, you will have an improper mixture of fuel to air. A lot of other things can cause an engine to "miss" which causes the engine to vibrate. A perfectly good running engine can vibrate if you have a broken motor mount for example. You could also have faulty spark plug wires, even a blown head gasket. You have to start somewhere. You need a mechanic you can trust, don't be shy, ask him what else can cause your engine to vibrate. Hopefully, he will have a scanner to see what your onboard computer is showing to be wrong. If you are near an autozone or advance auto parts store they will hook the scanner up to your car for free to read what your computer is showing to be wrong. If it shows a code for "engine lean" then that would support the idea that you have a vacuum leak. Hope that helps.

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I have a bad miss in my engine. I put new ignition coils and new plugs and it still has a lot of vibration.


Have you looked into the possibility of an O2 sensor? or Vacuum Hose loose?

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Poor accelleration and vibration


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Steering wheel vibrates while idleing


sounds like the engine just might need a little tune up. how bad is it idling? did you just buy this vehicle? how many miles are on the odometer? these particular engines DO vibrate a little bit when the transmission is placed in gear. if this is a manual trans you might need some maintenance. have you checked the condition of the spark plugs which are located under the black cover on top of the valve cover? the air horn does need to be removed in this case also.

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LOW IDLE HEAVY VIBRATING


timing is off or fouled spark plugs causing misfire. put in new plugs then have mechanic check timing.

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