Question about Boating
Fires up ok but will only run for a second or two. Put the boat to bed last fall, treated the fuel, fogged each cylinder with fogging oil. Went to start this spring with this result. Tested fuel pressure at test port and have 20 psi which meets spec. Plugs are new, gapped correctly, they are getting wet with fuel. Crank position indicator is correctly gapped. No check engine light showing, all fuses are good. Fuel pump runs for the spec 10 seconds and turns off unless cranked. Fuel filters replaced, gas fresh. So far no change. Any ideas?
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Posted on Jan 02, 2017
it starts from cold because the auto choke is on ,allowing a richer mixture ,try removing the sender unit in the tank and seeing if the connection from the pump to the outlet connection is ok or leaking causing a loss of fuel pressure
Posted on Aug 02, 2009
Yes...check the pump, filter and output. Also check the ballast resistor for the pump. Stop pouring fuel into the cylinder...instead, use carb cleaner and spray into throttle body (excess fuel in one cyl will contaminate your engine oil). If it runs normally after you get it started likely the pump is good (unless you have problems at high rpm's under power) Regulator is likely good as well...default is to more fuel not less.
Posted on Oct 07, 2009
SOURCE: 2001 ford e250 5.4 v8...vehicle
Are you try scanned the PCM to know if some fault codes are stored there? Are you check injectors? We recommend to de-pressurize your fuel system. Disconnect the power to your fuel pump, by either disconnecting it's power supply, or pulling the fuel pump fuse or relay. Once the fuel pump has no power, crank the engine for a few seconds. The engine might start, but should die a few seconds later. If it continues to idle, then you didn't disconnect your fuel pump.
Once the fuel system is de-pressurized, we can begin to remove various parts from the engine bay to help clear up room. On a typical system, there is a fuel feed, and fuel return. For these types of systems, you would need to disconnect both of the lines, and then disconnect the fuel pressure regulator. The fuel injectors are held in with clips that hold the harness to the injector. Remove these clips, and pop off the wiring harnesses. The fuel rail is held in with a few bolts. Remove these bolts, and then the fuel rail should be loose. Pull the fuel rail out of the intake manifold or cylinder head, and you can now easily remove the fuel injectors.
Couldn't start his but had 40 psi fuel pressure, but even though it turned over. Are you check crankshaft, this is located crank sensor under the a/c compressor, to the left of the balancer. The camshaft sensor is in the timing cover usually behing the PS (Power Steering) fluid tank. FInally, try jumping or bypassing the fuel pump relay to test if have pressure, if this work, then go to the next device, fuel filter, then next at fuel pressure regulator and this way so on.
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Posted on Feb 09, 2011
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