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installed new fuel pump car wont start

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Old Oct 12, 2008 | 07:27 PM
  #1  
karl0003's Avatar
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From: Sammamish Washington
WA installed new fuel pump car wont start

i installed my new supra pump today and got in to start the car. turned the key i heard the fuel pump whine in the back thought that was a good sign. then turned the key but the car wouldnt start. it tries to start but it just seems like the engine isnt getting any fuel. any ideas please let me know. thanks
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Old Oct 12, 2008 | 07:49 PM
  #2  
gafu mazda's Avatar
el unico
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hoses on right?kinked hose?air(I think that's a stupid question)?flooded?check plugs.Good luck
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Old Oct 12, 2008 | 08:29 PM
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Have you checked to see if you are getting fuel pressure?
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Old Oct 12, 2008 | 08:34 PM
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make sure the O-ring is adequetly put on and it's not leaking.
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Old Oct 12, 2008 | 08:38 PM
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how would i check if its getting fuel pressure? sorry for the noob question. ok i will recheck the o ring and see if thats the problem.
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Old Oct 12, 2008 | 09:27 PM
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Take a mechanical pressure gauge and "t" it inline with the feed line in the engine bay. One more thing. It's pretty impossible but maybe you crossed the feed and the return lines on the carrier. Goodluck!
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Old Oct 12, 2008 | 10:37 PM
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Originally Posted by GreatShamanGT
make sure the O-ring is adequetly put on and it's not leaking.
^yes make sure you put the neck on that holds the O-ring on otherwise fuel will just fall back into the tank.

pull the fuel pump and inspect the o-ring see if it fell down.
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Old Oct 12, 2008 | 10:59 PM
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Also make sure you didn't switch the feed and return hoses. The pretty much point to where they should go.
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Old Oct 12, 2008 | 11:06 PM
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and make sure the wires are hooked up correctly too, otherwise the pump runs backwards
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Old Oct 12, 2008 | 11:48 PM
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From: WA
Other thing to try is priming the fuel a little more. The FSM recommends turning it on but not starting at least a couple of times before starting. Try doing that too. You should hear that whine sound at least 3 times to be safe.

Good luck.
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