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Solve 1994 passport flooding

Replaced fuel filter and pump still floods

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  • James Allan White Oct 31, 2012

    have checked presure

  • James Allan White Oct 31, 2012

    ok I'll try that thanks John

  • James Allan White Nov 02, 2012

    still flooding out wont run put fues in and out of the fuel relay to keep it running raipedly



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With the pressure gaige in place, energize the ignition, but do not start vehicle, let the fuel pump cycle to off which takes about 5 to 10 seconds and watch the pressure drop.

If pressure is within specification, one or more fuel injectors is leaking. If more than 75,000 miles or 100,000Km, replace injectors because they are beyond their service life. This should remedy the flooding situation.

If the pressure does not drop significantly after 15 seconds of key switched off, the issue may be related to air temp sensor or coolant temp sensor. If they are original to vehicle- replacing both is a good idea.

Posted on Oct 31, 2012


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SOURCE: I have a 2003 Altima. Seeems to keep flooding out

Are you sure the head gasket is ok? There's alot of things unanswered here so I can only go so far. Yes I am a certified nissan tech,but without some more info,dunno. Timing belt ok? If that went,there's the problem,plus I believe it's an interference engine,meaning the valves are now bent & the head might be shot as well.

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SOURCE: 96 Astro Fuel Pump Question?? no start/Flooding

I have the exact same problem and too have replaced everything. Have you had any luck yet? My van will only start if I bump it too. I am at my wits end. Freind that I used to work with at the chevy dealer says the 4.3L have problems with the valves sticking and has done valve jobs on a few of them.
It runs so dang good when it starts I have a hard time believing it. Once started will be fine all day just like you. Plese respond and tell me what you have found. Thanks Turbinepwr

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SOURCE: 1995 suzuki sidekick how to replace fuel pressure

you need to have the Engine Coolant Temperature switch checked,since the computer relies solely on sensors,the ect tells the computer how cold or hot it is so the computer will make it a rich or lean mixture to start the engine,if it tells the computer that it is 75 degrees the computer will lean the mixture like starting a car in the winter without a choke.

Posted on Jan 22, 2010

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