Hello DANIELLE2018,
Thank you very much for the kind words, it means a lot to all of us.
There is a few more things we can test for if you would like to at least eliminate them as possibilities.
Let's see what we can get some more information.
Any work done on the vehicle since the problem began? Any other issues you have noticed, even if you don't think they are related?
We can see if it might be a vacuum leak. It is possible you have a bad gasket or hose. Possibly bad Brake Booster.
How do the brakes feel, any changes in braking ability? Do you have to push harder to stop? Is the brake pedal harder to push?
Any hissing sounds when running or turned off? The best way to do this is to open the hood and listen while it runs and have an assistant switch it off. It will be easiest to hear when the engine is first switched off.
Here is a good article on Vacuum in general, just for some extra information for you:
https://enginebasics.com/Engine%20Basics%20Root%20Folder/Vacuum%20Basics.html
Let me know what you find, and we can go from there.
Thank you,
Brendon
Saturday, August 5th, 2023 AT 1:29 PM