Shaking at 1.75 RPM

2014 BUICK ENCLAVE
70,000 MILES • V6 • 2WD • AUTOMATIC
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BRANDIBELLAR
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Hi! I’m in need of some help understanding my car’s problem. My vehicle is shaking when my vehicle hits ~1.75 RPM and the shaking is worse if I’m traveling up hill. Usually, I’m doing between 10-25 mph (city driving). The transmission seems to be shifting just fine and the tires/alignment are in good condition. I took the car in to a repair shop thinking it must need new spark plugs. They came back with a $900.00 repair bill saying it needed a major fuel injection cleaning, plugs and gaskets. I’m a young(ish) woman with a young child without the knowledge to know if I was being taken for a ride or not and had already waited an hour and a half for word back. Paid for the repairs, the work was completed and the car is still shaking. Returned to the shop where they said it was a bad or loose gasket, stated they fixed it and returned it back to me. Still shaking. Is this a fuel injection problem that they didn’t address or likely something else? I’m afraid to walk in there and get another bill if they say it must be something else.
May 6, 2019 at 1:54 PM
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STRAILER
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Hello,

It sounds like an injector is going out but if I were you I would get a code reader and follow this guide. To read the codes that way you will always know what is going on. Here is a guide to help you:

https://www.2carpros.com/articles/checking-a-service-engine-soon-or-check-engine-light-on-or-flashing

Some shops just keep throwing parts and charging you until it is fixed or you just go away. Does it make any strange sound? Can you please shoot a quick video with your phone so we can see what's going on, that would be great. You can upload it here with your response.

I will help you fix it, Ken

May 6, 2019 at 7:23 PM