There is a clanking noise and some vibration when slowing down or speeding up. What would cause this?

cv joints are what normally make that clicking m noise at low speeds ,more prevalent when turning a corner
as to the other faults , run the fault codes as it sounds like a random misfire and may be fuel pressure or injector related

COULD BE A UNIVERISAL JOINT BAD .

Does the clanking come from the front of car .? If so I would pull tire off and inspect all ur bushings ...

The noise would usually be the strut or the control arm bushings. The vibration could also be the component making the noise, or warped brake rotors.

Hi Chris, I'm glad to help! Vibrating / Roaring sounds can be anything from rear or front diff problems. Drive Line U-Joint problem. Wheel bearing bad. Even transmission problem. You have to pin-point where the vibration is, is it in the front, in the rear, on the right or on the left. Is it in the center of the vehicle and so on. Hope this helps and have an awesome day Chris!

antiroll bar links ,about 12 euros each .renew both sides also check you havent got a broken spring while your there

could be tires need balancing or front end alinement

Hi If the noise is like a buzzing or huming noise the most likely cause is the wheel bearing.
But if you are feeling vibration through the steering wheel at 55 then as you increase speed the vibration goes then thats usually the wheels need balancing.
Also some noises can come from brakes which are rubbing or lots of brake dust on them.
Anyway i hope i have been of some help to you good luck
John ( South Wales UK )

CV joint is going out

Wheel bearings?