Hello,
If the fuel filter is clogged it will make the fuel pump strain which can make it noisy as you have described so I would change that first here is the location, as far as the tach jumping this might help it but if not I would do an engine tune up because if the engine misfires it can back-feed the tach signal causing the jumping. Here is the location of the fuel filter and how to change it out. Check out the images (below). Please let us know what happens.
Images (Click to make bigger)
SPONSORED LINKS
Monday, April 22nd, 2024 AT 10:42 AM