Bad CV shaft. It's only one though. You don't have to change both. Hopefully, you can inspect them and determine which one. Do it yourself for $100 or take it to a dealer for $300. Good Luck
One of the main causes of feeling a vibration in the gas pedal is engine vibration. The vibration from the engine causes the accelerator cable or linkage to vibrate and the vibration can be felt in the gas pedal. Check with a mechanic to be sure.
car run good but has a little vibration idle or running
Could be your timing belt.
Most likely the engine will work with some irritation and vibration.
could be timing It can be many things. I would suspect you have a vacuum leak.
That will be the engine. A necessary component in a motor vehicle.
The 1999 Camry most has either bad rear brakes, or bad rear wheel bearings. Either of these problems could cause the vibration.
It can be a sticky caliper or you need to change brake pads.
The Camry could have a vacuum leak. If there is a vacuum leak, then there can be a whistling sound until the vacuum system is full of air.
Burning oil in a Toyota Camry can be caused by a manufacturer's defect in the engine's pistons. A worn out valve cover gasket can also cause burning oil.
Many possible causes. For starters get caught up on your maintenance needs.
CV Joints are the most common cause.