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Put in new fuel pump and still wont start - 2003 Chevrolet Malibu

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Check the 10 amp ecm fuse !!!

Posted on Aug 03, 2010

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Posted on Jan 02, 2017

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2008 ssangyong sports had new camshaft replaced but wont start


Did you test the fuel pump relay and fuel pump pressure?

Jan 20, 2014 | 2007 SsangYong Actyon 4x4

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If oil pressure sending unit is bad will it stop fuel pump from working on a 2000 blazer


You should never try a pump without it being in fuel. It uses fuel for lubrication when it is running. If the vehicle doesn't start at all when you first crank it over it is not the oil pressure sender. If you just put the pump in you might want to turn the key off and on several times to cycle the pump then try to start it. If it doesn't start then check fuel filter or check fuel pressure at fuel rail in engine compartment. Is fuel pump cycling at all when the key is turned on? There is a problem with ignition switches on some of these blazers.

Jan 04, 2012 | Chevrolet Cars & Trucks

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I have a 1993 chevy s-10 blazer 4.3 vortec 4x4 , Was driving and it just died, when i went to restart it , it wouldn't start, i noticed i didnt hear the fuel pump come on, I did a test and bye passed...


You need to check the crank sensor, this controls tthe injector pulse. If it will attempt to start with alternate fuel but not on its own, it sounds like the injectors arent pulsing, so your not getting fuel. Try the crank sensor first.

Oct 06, 2011 | Cars & Trucks

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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!!!

Nov 02, 2009 | 1979 Chevrolet C/K 3500

1 Answer

I put a new fuel pump in and still wont start


ok if the fuel pump is energizing and you can hear it turn on then the pump is working fine and you probably have a restriction. i would replace the fuel filter. when you replace the pump did you replace the strainer on the pump? if not then thats where your problem lies. also could be the fuel pressure regulator also. there is a schrader port on the fuel rail try taking a pen and press down on the core to see if fuel squirts out. or connect a fuel pressure guage to the port and see if you have the right fuel pressure. it should run between 35 and 47 psi

Aug 09, 2009 | 2004 Pontiac Grand Am

1 Answer

Wont start after new pump and clean filters


your replacement pump has prob biten the dust. its common, do feel bad.

also do not drive your car on less than a 1/4 tank with a new pump

Apr 11, 2009 | 1996 Ford Explorer

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