Date: Wed, 24 Aug 2005 23:29:58 +0100
From: Pooh Bear <>
Subject: Re: "Throttle body" on 9-5 -- why!?

Mike Deskevich wrote: < snip > > if you open the throttle faster than the injectors can keep up, then > you'll have lean issues resulting in more NOx and if you close the > throttle quicker than you can shut the injectors down, you'll have a > rich condition resulting in more HCs I can't see that reasoning holding water. Injectors regulate the fuel mixture on cycle by cycle basis. For the throttle opening / closure to 'beat' the injection you'd need to have a very very fast right foot. Even at tickover speeds the injectors are functioning about every 30 milliseconds. Graham

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