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my motor is running lean

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Old 06-30-2003, 09:34 AM
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Default my motor is running lean

i have fpr and it's at 50 psi right now but still running lean. could it be the fuel pump?
Old 06-30-2003, 10:05 AM
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Default Re: my motor is running lean (ek4 fa sho)

whats your setup? I'm running 55psi and running a little lean too. I need bigger injectors.
Old 06-30-2003, 10:42 AM
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Default Re: my motor is running lean (Ivan)

How do you know you are running lean?
Old 06-30-2003, 10:48 AM
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Default Re: my motor is running lean (2camsaam)

I would imagine that its either bogging out like in my case or hes hearing slight detonation. I raised my fuel pressure and it no longer bogs but it does detonate a little if I gun it.
Old 06-30-2003, 11:48 AM
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Default Re: my motor is running lean (ek4 fa sho)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by ek4 fa sho &raquo;</TD></TR><TR><TD CLASS="quote">i have fpr and it's at 50 psi right now but still running lean. could it be the fuel pump?</TD></TR></TABLE>

How are we suposed to help you if you don't list your set-up?
List your set-up and how you know it's runing lean.

btw bogging is a sigh of a rich condition.
If it's lean it will just drop off in power (won't feel like it's acclerating as fast)
Old 06-30-2003, 11:59 AM
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Default Re: my motor is running lean (b16ahybrid)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by b16ahybrid &raquo;</TD></TR><TR><TD CLASS="quote">
btw bogging is a sigh of a rich condition.
If it's lean it will just drop off in power (won't feel like it's acclerating as fast)</TD></TR></TABLE> let me rephrase that. It was hesistating and it all went away after I raised the fuel pressure. But yeah we need to know his setup to help him out.
Old 06-30-2003, 12:14 PM
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Default Re: my motor is running lean (Ivan)

b18c1 intake, headers, mani, jun 3
Old 06-30-2003, 12:18 PM
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Default Re: my motor is running lean (ek4 fa sho)

what compression? what fuel systen are you running?
Old 06-30-2003, 12:26 PM
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Default Re: my motor is running lean (Ivan)

stock compression, stock fuel system and they guy that installed my my head said i needed a fuel pump the 99 si vtec fuel pump. is that the problem?
Old 06-30-2003, 12:28 PM
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Default Re: my motor is running lean (ek4 fa sho)

you don`t need jun III`s w/ that setup.
Old 06-30-2003, 12:31 PM
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Default Re: my motor is running lean (vtecvoodoo)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by vtecvoodoo &raquo;</TD></TR><TR><TD CLASS="quote">you don`t need jun III`s w/ that setup.</TD></TR></TABLE>my block is in the process getting done
Old 06-30-2003, 12:32 PM
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Default Re: my motor is running lean (ek4 fa sho)

vroom vroom.
Old 06-30-2003, 01:32 PM
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Default Re: my motor is running lean (B.CRUZ)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by B.CRUZ &raquo;</TD></TR><TR><TD CLASS="quote">vroom vroom. </TD></TR></TABLE>beep beep
on topic. I think its your fuel system.
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