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Date: 26 Jun 2003 10:40:22 -0600
From: andrewunix <agreenbunopsamnet>
Subject: Re: NG 900S 4-cyl n/a cold start problem


20 Jun 2003 07:27:36 -0600, agreenbunopsamnet suggested: : 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? Well, for those who've been following along, cleaning out the throttle body and the contacts on the air mass meter appears to have fixed it. -- agreenbu Return to Main Index
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