code po300 alot white smoke at the tail pp smeall fuel alot on 2000 Chevrolet Astro

i remplese the fuel press regulator and goes away for like 2 hrs

Asked by for the 2000 Chevrolet Astro
you have multiple eng misfires, seek help it sounds like its flooding or there are other issues
1 more answer , 1 more comment
What is the fuel pressure and volume.
I hope you are not driving this vehicle.
i heve 75 to 79 psi at the fuel pomp and i think its to mach and no im not drive this car thanks