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Fuel problems

Old 01-15-2004, 08:54 PM
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Join Date: Jan 2003
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Default Fuel problems

I'm have a problem with getting fuel to the motor, not matter what map I put in the ecu, I still run lean and bog down when I give it gas. So I need to start debugging my fuel system. Here are my ideas, please help me add some, if you have any idea what the problem is?

1. Switch to another set oof 450cc injectors
2. Test fuel pump(how do I do this?)
3. Test fuel pressure when driving

My setup is

d15b jdm vtec
450cc injectors + resistors
stock pump
td04 turbo
Open exhaust.... could it be because I dont have any back pressure?

Sinner is offline  
Old 01-16-2004, 12:15 AM
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Default Re:Fuel problems

Originally Posted by Sinner
Open exhaust.... could it be because I dont have any back pressure?
This is not an NA setup. Backpressure does not help you here. In a forced induction application, getting your exhaust away form the turbo as fast as possible is your best method.

Backpressure need to be balanced in an NA setup.. and it's actually Delta pressure that is a good thing.. but that is more for a discussion on theory rather than fixing your issue.

..but you can cross that off your list.
TurboEF9 is offline  
Old 01-16-2004, 09:52 AM
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Default Re:Fuel problems

get one of those pressure gauges that sit on top of the filter.

also, additions to the list.
1. fuel filter
2. fuel pump
88crxSi is offline  
Old 01-16-2004, 01:38 PM
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Default Re:Fuel problems

They dont have a dam fuel pressure regulator local for a honda and they dont have the right fittings at the hardware store to convert the domestic one to a honda. POS little town.

I changed the fuel filter not to long ago. I think it might have to do with the fuel pump since it stock and from the car that originally had a d15b7.

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