There is a Fuel Pressure Regulator. The 3500 uses a return less rail. So the fuel pressure regulator is somewhere down the line. Likely at the lower part of the firewall or even under the van.

Sorry I didn't see this thread earlier. I suspect the fuel pump is getting tired.

I don't believe there is a FPR on the Montana SV6 The FPR was my first thought, I was sure that was it. I look, returnless. Hmm, look up the part, non listed, check the manual, no procedure on changing it. Seems to be no FPR on the SV6

This is what it looks like:

No sorry, this is yours I believe. Well, it'* the one from a 3900 anyway:

OK, right by the filter. I'll have to take a peek. But I looked on rockauto and autozone, neither list a FPR for the SV6. The problems it has indicates to me a bad FPR. Hope to find it hiding under there.

Didn't like your link.

How bout this one:


I can't find a good pic on all the internets. So when you find yours, get a good pic!

I'll be sure to do that. Looks like a regular old FPR just like I have sitting in a drawer. I have like 5 of them. Wonder why I can't seem to find a replacement part.

I'm still not convinced there'* a FPR. I just looked it up again. The 3.4 has a FPR, and the 3.5 does not list one.

I'm seeing the same thing Dan.