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Why won't my chevy van stay started ?

My van will only stay started for about 2 seconds the fuel pump is good etc.

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  • Chevrolet Master
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One thing to check into would be the antitheft system. Not knowing what year or type of vehicle makes it hard to help. But like i said, engine shut down in 5 seconds or less is a symptom of a bad antitheft security system. This link explains.
http://vatspasslockpasskeysecurityhelp.yolasite.com/

Posted on Feb 25, 2012

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6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 1114 Answers

SOURCE: Chevy Suburban won't stay started,

fuel pump relay?? good place to start.

Posted on Dec 26, 2008

  • 3 Answers

SOURCE: 2000 Chevy express van no fuel to engine - pump is good

If you dont have proper fuel pressure it wont start,and check for injector pulse.

Posted on May 05, 2009

MNfisherman
  • 11896 Answers

SOURCE: start engine can hear pump run once it shuts off engine dies

Faulty pressure regulator mabey or plugged fuel filter. Do you have constant power to relay and pump?

Posted on Aug 27, 2009

  • 55 Answers

SOURCE: eng run good then it will skip did tune up new timing chain new

chabge the egr valve

Posted on Sep 27, 2009

rnb_tnt
  • 111 Answers

SOURCE: 1979 chevy step van 350 new fuel pump rebuilt carburetor wont sta

remove the fuel line from the carb, put it into a bottle, crank the engine, If the bottle has fuel in it the fuel pump is working properly, if not, check the filter, and the fuel lines to the tank!!!

Posted on Nov 02, 2009

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1 Answer

I changed the fuel pump but the van still won't


And you know the fuel filter is good? Could be injector problem: just as a check, spray some starting fluid into the intake and see if engine runs a few seconds. If it does, it is a fuel problem. Check injector fuse, as a start. Check fuel pressure. Check injector circuit. If engine won't start with starting fluid, check if you are getting spark. Problem may be in the ignition system.

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1989 chevy van won't run.


Check the air filter (may be very dirty), carburetor may need thorough cleaning, or, if fuel-injected, the injectors may need cleaning. The fuel pump may also be malfunctioning....remove the outlet hose from the pump, place another hose onto the pump and drain it into a container so you don't lose the gas, and have a friend crank over the engine while you watch to see if gas spurts out quickly and abundantly into the container. IF NOT, then you will have to fix the fuel pump, or replace it.

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You might have a defective fuel tank pressure sensor!

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I would be looking for fuel first a faulty fuel pump. second seeing if you have spark, bad wires or plugs or even distributor, timing could be out

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It sure could be. But, first...by "won't turn over" you do mean it cranks at normal speed but won't start?
A simple test of the fuel pump is to stand by tank and listen as someone turns key to on. When first turned to on, your pump will activate for 2 or 3 seconds, pressurizing the fuel system, and then shut off if the engine computer doesn't get a cranking signal. Do you hear it come on? If not, then something's not turning your pump on. If you can hear it buzz on briefly, then maybe it's your filter. Another test: Spray a little starting fluid into your intake manifold (remove the big hose going into intake manifold) while someone tries starting it.If it doesn't fire and try to stay running, then it's probably an ignition problem. But if it does fire off, then you know it's a fuel problem-likely your pump or filter. good luck.

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It won't die when pulling the relay because it has another power path to the fuel pump through the oil pressure switch . Fuel Pump Electrical Circuits Description and Operation watch this video on fuel pump control , shows chrysler first , ford ,then gm . wait for gm an he explains the oil pressure switch . Plus when it won't start ,don't guess or theorize ! Test what's missing ? check for spark , no spark check ignition system , coil's , ignition module , crank sensor etc... has spark ,do a fuel pressure test etc... don't think computer , when it won't start does the check engine light come on with the key on run not start . If light is lit ,nothing wrong with the cumputer . If want to fix cars you really should take some automotive classes . Test don't guess .Watch some other videos crank no start videos etc...

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