Question about Buick Cars & Trucks
Whenmy car is hard to start and sometimes when it do start the whole entire engine just start vibrating than shaking fast, i hit the gas to tryna smooth it out but sometimes the car cuts off and its hard to accelerate when i try to drive about 20 mph
Check your spark plugs and leads. If this fails to fix it, then make sure the ignition system is set up properly.
Posted on May 05, 2013
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Posted on Jan 02, 2017
Drop in to an Autozone, or Pep Boys, or similar big parts store & they will usually scan for codes free. This will hopefully eliminate all the guess work, or at least point everyone in right direction for better diagnosis. If not obvious from codes what the problem is, get back to us and we'll help you out.
Posted on Aug 23, 2009
Testimonial: "Thanks for the great suggestion . I'll have Autozone read the codes on Monday. Thanks again!"
The only scenario I am familiar with that causes a blinking or flashing Check Engine Light is misfires. Your description of the car shaking is another sign of possible misfires as well. There could be other issues, it would be helpful to know what codes are getting set. However, with the flashing check engine light and the shaking of the car the first thing I would do, if it hasnt been done in a while, is a tune up. Replace the plugs to start. I believe you have a distributorless ignition meaning that you have coil packs instead of a distributor.
Your coil pack sits on top of the plugs. Look to the left side of the engine, just at the bottom of the valve cover and you will see (assuming you have the 4.0L 6-cylinder engine) a series of three humps. Those three humps is your coil packs and there should be four bolts that hold it in. Take out those four bolts, pry up the coil pack and then you will have access to replace the spark plugs.
While your at it, Id replace the fuel filter, air filter and other general maintenance/tune up items like that.
Posted on Jan 02, 2009
I have this same car with exactly the same problem. Begins shaking at 40mph and stops shaking as soon as you let off the gas, but then begins again as soon as you press on the gas and smooths out as you get over 50. And the shaking is not felt through the steering wheel. Solution: Replace the transmission mounts. There are two of them, one on each side mounted on the frame right next to the shock strut. There is also a front and rear engine mount, but I replaced the two as described and shaking is gone.
Posted on Dec 13, 2009
I am dealing with this issue with my 2003 a4. The Esp Is your tractioon controll, which is tied into your Abs system. Your Brake light Circuit is also tied in, so. Check your Brake Fluid, all Rear Bulbs, then look into Abs wheel speed sensor. $100 bucks each. The yaw sensor is unlikely culprit, but the ESP Controll module which is located under glove box is most likely the suspect.<!-- from fixya rte -->
Posted on Aug 12, 2010
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