Your car's engine needs a very specific diet of air and fuel to do its job, and it's the fuel pressure regulator's (FPR) job to feed it the right amount. The gadget is relatively tiny and can fit in ...
Josef Newgarden, a Nashville native, was forced to retire from the Indy 500 due to fuel pressure problems. Despite starting 32nd, Newgarden climbed to 6th before the issue arose. Josef Newgarden's ...