Car sat four years...repl gas tank and fuel pump...cleaned lines runs great...then end of fuel rail leaking...rpl that o ring and now leaks on 4 fuel injector....have vac at regulator...whats everyone think???..thanks
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Dan, First of all, rubber does not last forever. The hoses on this unit are almost, if not already 20 years old. You need to go through the pressure lines, vacuum lines, coolant lines with about $200 and replace as many as you can. If not, you are just asking for problems. Second, the pump will not generate to much pressure, the pressure regulator will. It is on the fuel rail. Third, if the pressure were too high, it might smoke black smoke as the fuel/air ratio would be too rich, not run faster. The throttle body position regulates that. Fix the leak and check the pressure. It is a bomb waiting for ignition. Deal with the other issues after that.
I dont know why car shuts off when the tank is 1/4 full. Try replacing fuel filter first then maybe fuel pump. I think you probably have a stuck fuel sending unit. Here is a video of the location of the fuel sending unit. https://www.youtube.com/watch?v=CSzE4aacS4g Here is a video of how to replace fuel pump. https://www.youtube.com/watch?v=E5xC957OXSs Also, if you figuire out why car shuts down at 1/4 tank please post your findings.
You will need to check for spark disconnect a sparkplug wire at the distributor and leave a 1/4 air gap,crank the engine, do you see a spark,if you have spark then solve for no fuel this can stem from a needed fuel pump that has failed.
There are many areas of concern for a fuel leak. The fuel tank is constructed of a rigid plastic and is fairly unlikely to leak. The fuel pump is housed inside the tank and transfer gasoline through a combination of metal and rubber lines to a filter in the engine compartment. From the filter it enters the fuel rail on the engine. Any unused fuel then navigates through metal and rubber hose back to the tank. There is also an opening in the tank for the fuel filler.
The first thing to do is establish a general area of the leak. Is it at the rear of the car? Front? Middle?
Secondly, does it leak at all times or only when running? A leak that worses when the vehicle is running would indicate the pressure or return lines from the fuel pump are at fault.
Begin by determining the general area and depending on your ambition and tool resources, raise the car and inspect closer. Be sure to be safe and use a jack stand. On older hondas the leak is typically a corroded metal fuel line or brittle rubber line.
More likely a plugged fuel filter, but the fuel pump could need replacement as well. The fuel line is a more remote possibility. If the fuel tank is nearly empty, pouring in fresh fuel will help get it to run. The old fuel in the tank is very likely to be quite stale and gummy. Check the rest of the filters for plugging. An oil/filter change wouldn't hurt either. Hope this helps!
Do you hear the fuel pump kick on when you turn your key on? Should be a buzz for about 2 seconds. If you do not hear the fuel pump kick on then try banging on the bottom of the tank with your hand, sometimes that will get the pump to kick back into working again, but know that this trick only works a few times, may be time to replace a fuel pump. The only reason I suggest this is because you stated that it sat all winter. As far as cleaning your injectors-you can pull them out and maybe soak them in a cleaning solvent but i would try to see if your pump is working first. You can also check the schrader valve on the fuel rail to see if you are getting fuel up to the engine.
1) Running fuel pump to remove water from tank will likely not empty it all, but it might help. Will still be some liquid in bottom of tank.
2) More than likely, the gas has gummed up and is no good, While your draining of the tank will help, may still need to change the fuel filter and clean the injectors. The ability to keep engine running while pouring into the intake is a good sign, but mayfind that more parts need to be cleaned and replaced prior to solving the problem.