Fuel pressure regulator, A fuel pressure regulator with irregularities can make your vehicle burn fuel until the mixture gets too thin or too rich. Burning extra gas may increase fumes inside your exhaust. If a leak makes the exhaust penetrate the ventilation system, gas fumes can also enter inside the car. Smell is not the only sign of fuel pressure regulator fail. Another sign is weaker fuel efficiency and power.

Fuel pressure regulator, A fuel pressure regulator with irregularities can make your vehicle burn fuel until the mixture gets too thin or too rich. Burning extra gas may increase fumes inside your exhaust. If a leak makes the exhaust penetrate the ventilation system, gas fumes can also enter inside the car. Smell is not the only sign of fuel pressure regulator fail. Another sign is weaker fuel efficiency and power.