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Date: 20 Jun 2003 07:27:36 -0600
From: andrewunix <agreenbunopsamnet>
Subject: Re: NG 900S 4-cyl n/a cold start problem
Thu, 19 Jun 2003 22:44:43 GMT, noaddressnopsamthoughIgetlotsofspam.com suggested:
: On 19 Jun 2003 14:03:45 -0600, andrewunix <agreenbunopsamnet> wrote:
:
:>The thing is, with a fuel delivery problem I would expect the performance
:>to lag while driving it, which it doesn't. The car only behaves badly at
:>idle.
:
: As I mentioned, I'm no fuel system expert... but weak pumps do often
: result in slow starting. The standard test for a weak fuel pump - hard
: start problem is to do what you did: turn it on, let the pump run
: for a minute to build pressure, then try to start it. They theory is
: that the pump is weak and doesn't fill the line enough quickly after
: the nightly drain down. Once the line is full, the weak pump can
: keep up with the flow so that operation if not affected greatly.
It's definitely the best theory I've heard so far.
One thing I noticed this morning was that when I start the car, it runs
for a few seconds, and then when the secondary air injection kicks on, it
dies.
Anyone know how the secondary air injection on a NG 900 S works?
--
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