Q: I ve noticed my car is starting to lose power when I accelerate hard. A friend told me it might be the fuel pump and I should check the fuel pressure. I did this years ago on my pickup that had a ...

Trouble ranging all the way from bad gas mileage to burned valves has been traced to faulty fuel I pumps. But faulty fuel delivery is often due to some bad condition entirely outside of the fuel pump ...

Q: I am having an odd problem with my 2001 Saab 9-3. After the car is fueled, it is hard to start. I have to crank the engine, then stop, crank again, stop cranking, et cetera. This problem started ...

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 ...

Q: My car has begun to lose power above 65-70 mph. I’ve noticed it also bogs down when I accelerate hard, like when getting on the freeway. It starts OK and runs smoothly at normal speeds. Any idea ...

Editor’s note: This article was last updated on July 9, 2023. It has been reviewed by Cars.com Senior News Editor Jennifer Harrington and is still accurate. It’s important to have your car’s tires ...