Q: I recently purchased a 2004 Nissan Sentra with the four-cylinder 1.8-liter engine and 74,000 original miles. From day one, it's had off-and-on hard starting. The dealer finally replaced the ...
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 ...