Im changing the fuel filter on my 94 pontiac grand prix.
I tried pulling the fuse for the fuel pump but the car still runs for some reason.
I dont want to disconnect the relay.
SO MY QUESTION IS; can I run the car out of gas to relieve fuel pressure to change the fuel filter?
Changing a fuel filter, can I run the car out of gas to relieve pressure?
dont do that/wrap rag at fuel filter and loosen/
Changing a fuel filter, can I run the car out of gas to relieve pressure?
Just disconnect the relay.
Open the filler cap?
Under the hood, find the fuel line, and there's a pressure relief valve on it. Very similar to the valve stem on your tires. Place an old rag over the valve and open it up, let the pressure drop, then change the filter. If you can't find the valve, then take that rag to the hose connection on the filter and try to catch as much as you can when you pull the hose off. I do not recommend running the car out of gas, because when it dies you still have a lot of gas in the line, as well as pressure - just not enough pressure to atomize it and force it into the engine. Good luck!!!
just break the filter loose and wait a second or to for the gas to stop pooring out, then continue
* Relay as stated above *
Even when your engine cuts out, there will still be some pressure
in the fuel filter. Have plenty of rags ready and remove these
lines slowly, ( small turns ). Don't forget to loosen the gas cap
and tighten it when you are done. Also, make sure the car cools
off a bit before you tackle this project...it's safer..
Good Luck
It doesn't matter what you choose, there will be a fuel leak when you remove the filter.
You can slowly loosen the filter so it doesn't spray you in the mouth or eye but make sure there is no ignition source near by, a hot incandescent light bulb will pop and start a fire in an instant.
You can lower the fuel pressure by removing the fuel pump relay but It will not amount to much.
Good luck.
I think some models have a backup fuse. If you can unplug the wire that connects to the pump that would work. Or you can re move the negetive battery cable which shuts down everything.
the way i did it on my oldsmobile was i took the gas cap off.
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