Misfire on #5 cylinder?

This leaves low compression or a bad fuel injector. When you remove the spark plug is it white in color? if so, the fuel injector is bad, if it is dark let's do a compression test.

https://www.2carpros.com/articles/how-to-test-engine-compression

Here is a guide as well that give more information on engine misfires:

https://www.2carpros.com/articles/engine-misfires-or-runs-rough

Please go over these guides and get back to us.

So the fuel injectors are inside the intake manifold. It is called a "spider injector" which they had problems, with, I would do the compression test first to make sure the engine is okay. And if so, replace the injector, does the #5 cylinder make a ticking noise while at idle? If so, you may have a flat camshaft.

Here is a guide on how to test the fuel injectors:

https://www.2carpros.com/articles/how-to-test-a-fuel-injector

Check out the images (below).