Engine stumble on acceleration

Hello,

There is only one fuel filter. Two things come to mind, first is a vacuum leak which can fool the MAF sensor causing the engine to stumble. Here is a guide to look for that

https://www.2carpros.com/articles/how-to-use-an-engine-vacuum-gauge

Next is a weak fuel pump here is a guide to check that out.

https://www.2carpros.com/articles/how-to-check-fuel-system-pressure-and-regulator

and

https://www.2carpros.com/articles/engine-hesitates

Please run some tests and get back to us so we can continue helping you.

Cheers, Ken