On top of the fuel rail in the engine compartment, there is a small valve used for testing fuel pressure. If you take that cap off it will relieve the pressure. Just about any method you use will spill some gasoline. The only other way is remove a link in the fuel line, or let the vehicle sit for several hours, the pressure drops off slowly on it's own, but don't turn the key on the pressure will come back up when the pump primes itself.
Remove the gas cap and that will relieve pressure in the tank. There is a Schroeder valve on the fuel injector rail. Use that to relieve pressure at the injectors.
To relieve the fuel pressure on a Chevrolet S10, the fuel pump relay should first be removed. Then, the engine should be startedand run until it stalls.
First loosen the gas cap and relieve any pressure in the tank. Now look on the fuel rail for a schrader valve and push it to relieve the pressure. It will look like a tire valve. If you find none, then just be prepared for a spray of fuel when you disconnect the fuel line. Wrap it with a rag to prevent the spray.
easy way to relieve the fuel pressure is to remove the fuel pump fuse. after that start vehicle up. vehicle will run out of gas. the pressure is relieve,
From 87 to 95 did not have them. You will have to crack the fuel line alittle to relieve fuel pressure.
allows you to attach a fuel pressure gauge to check fuel pressure, you can also use it to relieve the fuel pressure during maintenance
ask a mechanic to do it for you
Look for a Schrader valve on the fuel rail and press it to relieve pressure. If there is not one remove the fuel cap and then be prepared for a small spray of fuel when you disconnect the filter. Place a rag around the connection before disconnecting it.
schrader valve on fuel rail
Take the gas cap off and relieve the pressure on the tank. There will still be a little pressure in the lines but not so much. Wear eye protection . Good luck.
find the schrader valve on the fuel rail depress the stem and it should release the pressure from the fuel system
Remove the gas cap, and look for a Schroeder Valve on the fuel rail. If it has one use that to relieve pressure. If it has none then you just must be careful and expect spraying gas when disconnecting a fuel line.