All that happens is the warm fuel cools and takes up less room making the pressure go down. Current on the fuel pump measured 7. The old fuel regulator on the injector spider was leaking and not holding fuel pressure. I'm thinking I replaced the fuel filter Dec 04. The truck only 165k and the pump is still hard to hear.
He can't check the hose. With everything from top of the line racing units to more affordable options, you are sure to find the perfect Chevrolet Tahoe regulator for your application in our extensive lineup. You will have to remove the tank to service the fuel pump. The bolts that hold the filter to the frame, should be sprayed… It is inside of the gas tank. It is held on by a clip that can easily be removed with a flat-head screwdriver. Eventually I got everything back together. I had 62 lbs but would not hold anything over 20lbs at power off.
When turning the key I could hear the fuel pump run for a couple seconds then stop as it should. I might have fun telling the difference between an empty tube and a full one. If the gauge is leaking. I know I need a fuel pressure gauge. Check engine running fuel pressure. It won't brake the bank. Engine running should be 60-66 lbs pressure depending on engine load.
However, if you have tweaked your vehicle with go fast parts including high-pressure fuel pumps the stock regulator may not be up to the task. Buddies 4 door Tahoo took the same pump as mine. But now when I go up a hill under load it pings and knocks then goes away. Thanks for all of your help. The poppet valves work on pressure and will not open until it sees the right pressure from the pump. In it the fuel pressure regulator is just below the distributor to the right. Q: What is a fuel pressure regulator? Replace fuel filter, new cap, rotor, wires, diagnostic fee, and of course the regulator.
Why buy a fuel pressure regulator? I replaced the fuel pressure regulator, put it all back together and it started immediately. Have you changed your fuel filter lately? With out the fuel pressure up to full pressure there is not much more we can do for tests as this will affect them. It could be leaking poppet valves. More than likely, it'll be the fuel pressure regulator, to make sure. I bought the truck then, it had a crumpled right nose and I was running around buying stuff. P0171 and P0174 are the lean codes How long ago was the fuel pump changed? Might also be a good time to clean the fuel tank out. On my truck the next time i have to replace mine i may consider taking the bed off its only 4 bolts.
Original Equipment Manufacturer parts replacement is among the least difficult solutions to rebuild a vehicle's fuel system to its best form. What, no comments about the golf Tee? The tools you will need are metric, 15, 16 and 20 mm wrenches. Pinch off at rubber part or block off return line and check full pressure. Well the Fuel pump isn't out of the woods yet as the regulator work has improved but not cured the problem. After running, the pressure will gradually decline down to 0 overnight , but it seems to happen over an acceptable time period, not rapidly. My 96 Tahoe with a 5.
Yea those Dealership Service bay's Are pretty cool and the Cage for the Part's. The fuel pressure regulator on the 97 is located close to the fuel rail. The engine shake can be cause by missfiring, Vacuum Leaks, Bad Engine Mounts. Hard to start cold or hot and fuel pressure testing guide lines. After engine start the pressure was 56 as vacuum is pulling on the regulator. Yes I can hear the pump spin up but not loud enough to hear while cranking. Most likely you will need to replace a worn timing chain and then have the cam retard reset.
Then shut it off and watch for fast leak down. Answer I helped my mechanic change one on my 1999 Tahoe and it was not easy. The best thing to do is go to Autozone and get a manual for the truck and follow the step by step instructions on getting to the fuel regulator. My question is how do I do this? It gradually got worse taking many tries to start until finally one day it wouldn't start. Replacement of a faulty fuel pressure regulator to stop fuel bleed down on the fuel rail. So I would replace the regulator and check those lines for any signs of leaking there is a repair kit for them at most parts stores if it does look like it cracked. The most overlooked and biggest problem with todays fuel injected vehicles is the fact that fuel filters tend to plug.