Q: Strong smell of gas engine knocking

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My car was running fine. I stopped at a friends and sat in it for a bit chatting, it was off. When I turned it back on I got a strOmg smell of gas and a knocking sound. Felt like it was going to stall. I turned it off checked the oil was a bit low added oil and restarted it. With the hood up it was visible that the engine was shaking.what could this be

My car has 150000 miles.
My car has an automatic transmission.

Hi there. It’s possible that either you have a fuel leak or a vacuum leak that is causing the shaking issue you’re experiencing. Since you’re smelling gasoline, I would highly recommend having a professional mechanic complete a smell of gas inspection; as this could be a safety issue.

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