What happens when the fuel pump goes out on a Pontiac Sunfire?
What happens when the fuel pump goes out on a Pontiac Sunfire?
There are physical signs that you can feel when your Sunfire’s fuel pump is going out. Before taking anything apart, check to see if your engine’s computer has any trouble codes saved in it. The engine may throw a P0087 trouble code. This trouble code detects that the fuel rail/system pressure is too low.
Can a fuel pump be replaced in a Pontiac Grand Prix?
The Pontiac Grand Prix has an electric fuel pump so you should ensure that its fuses and relays are working before checking it. You may need to clean your fuel pump or replace it if your gas tank is not empty, but your vehicle has difficulty getting fuel.
Where does the fuel pump go in a car?
In modern fuel injected vehicles, the fuel pump sits right in the fuel tank and “pushes” the gasoline to the fuel rail (s). It is in the fuel tank because “pushing” fuel to the fuel rail is easier than “pulling” the fuel, which is what an inline pump would do.
What does a bad fuel pump sound like?
A priming fuel pump sounds like a high-pitched whine for a few seconds and can be heard with a sharp engine right after the ignition key is turned, but before the starter is engaged. The symptoms of a bad fuel pump match a lot of other common problems that can occur in the Pontiac Sunfire.
There are physical signs that you can feel when your Sunfire’s fuel pump is going out. Before taking anything apart, check to see if your engine’s computer has any trouble codes saved in it. The engine may throw a P0087 trouble code. This trouble code detects that the fuel rail/system pressure is too low.
Why is the fuel pump in the fuel tank?
It is in the fuel tank because “pushing” fuel to the fuel rail is easier than “pulling” the fuel, which is what an inline pump would do. While being in the fuel tank makes the pump more reliable, it also makes it a lot more difficult to get to.
A priming fuel pump sounds like a high-pitched whine for a few seconds and can be heard with a sharp engine right after the ignition key is turned, but before the starter is engaged. The symptoms of a bad fuel pump match a lot of other common problems that can occur in the Pontiac Sunfire.
In modern fuel injected vehicles, the fuel pump sits right in the fuel tank and “pushes” the gasoline to the fuel rail (s). It is in the fuel tank because “pushing” fuel to the fuel rail is easier than “pulling” the fuel, which is what an inline pump would do.
Where is the Prime switch on an electric fuel pump?
If you are not sure where the fuel tank is, then pull out your manufacturer’s directions. Once you have located the fuel tank, locate the electric fuel pump. The pump is usually located inside the tank. There should be a prime switch located on the fuel pump line. Flip the switch to prime the fuel pump.
Where is the fuel pump in a car?
Put on protective gloves before you work inside and around the car. You may need to lift the car up to access it from underneath. In many models you will need to drain and pull the gas tank. In some models the fuel pump is easy to access under the back seat or through floor of trunk.
When to know if your fuel pump is bad?
If your car isn’t starting at all, and you hear the fuel pump prime that is usually a good indication that the pump is working to some capacity. Testing your Sunfire’s fuel pressure on each side of the pump would be the best way to diagnose this problem.
