95 lumina
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95 lumina - 4/19/2008 4:09:04 PM
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redneckfromnb
Posts: 8
Joined: 4/19/2008
Status: offline
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hi i got a 95 lumina.the car wont start,it has lots of fire.i replaced the fuelpump,fuel relay.i cant geet fire to the pump unless i run a jumper wire from the battery.when i do this the pump runs but all the fuel comes back in the return fuel line.when i try to start the car nothing happens and the plugs stay dry,any answers would be appreciated.
thanks
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RE: 95 lumina - 4/19/2008 10:13:23 PM
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EvansBlue
Posts: 2330
Joined: 7/12/2007
From: Princeton, NC, USA
Status: offline
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Maybe a pinched off line or a stopped up strainer? just a couple of things to look for.....
In future, if you title your post with the problem in addition to the model and year, it draws more attention to the post from people who may have experienced a similar problem, thus getting you more help... no problem with it, its just a little tip.
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RE: 95 lumina - 4/20/2008 3:34:11 AM
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redneckfromnb
Posts: 8
Joined: 4/19/2008
Status: offline
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thanks for the reply,i dont think its a pluged line or anything like that because it flows to freely back through the return line
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RE: 95 lumina - 4/20/2008 6:07:53 AM
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shawnvw
Posts: 1254
Joined: 1/18/2008
Status: offline
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A couple things to look for, first and foremost, you're getting fuel, but is there any pressure? you say the fuel runs directly back into the tank, could be a fuel pressure regulator stuck open, or maybe the injectors just aren't firing.
Take a fuel pressur reading. I believe these cars are in the 30-40psi range. If you have pressure, get a noid light kits from your local jobber. They're fairly inexpensive at about $20 for a cheap kit. Put a noid light in one of the injector harnesses and crank it over, if it flashes, then the injectors are getting the command to open when needed. If the pressure is low, try pinching off the return line.It'll be the smaller fo the 2. then crank it over to see if it starts. If it does start there may be 2 possibilities, a bad regulator, or pump. I personally have never seen a bad regulator cause a no start on these cars, but there a first for everything.
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RE: 95 lumina - 4/20/2008 6:09:24 AM
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shawnvw
Posts: 1254
Joined: 1/18/2008
Status: offline
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Also....I assume you have the 3.1L in this car?
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