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What's the fuel pressure relief procedure?

4K views 3 replies 4 participants last post by  tegeye1000 
#1 ·
it's a 3.8, can't seem to find the procedure online & don't want to buy a book, thanks for any help
 
#2 ·
Disconnect the battery and remove the gas cap, then find the schraeder valve on the fuel rail or fuel line. It looks like a tire air valve. Get a good sized rag under/around it (it's gonna get soaked in gas) and push the pin in using something pointy (don't make any sparks). When you push the pin in, a lot of fuel may spray out (what the rag is for). Once the fuel no longer coming out under pressure, you can release the valve.
 
#4 ·
With your engine running, pull the fuel pump relay out. The engine will pull the majority of residual fuel through the fuel rail and run until the rail pressure isn't sufficient. To relieve the rest of what fuel at remain, remove your fuel filter. This is always the best time to change your filter as well. Relieving the pressure at the shrader valve will cause a lot of fuel to come out and spill all over your engine or now on to a rag. Either way, that's a huge fire hazard of you relieve 40 or so psi at the engine.
 
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