Date: Wed, 17 Oct 2001 18:45:34 +0100
From: "Grunff" <>
Subject: Re: Plugging an Injector to Pass Smog Test

<> wrote in message news:3bcd905e$0$30972$ > Dee <> pressed random keys until the following was produced: > > (snip) > > > I'm thinking that a simple hydraulic plug might do the trick but don't > > know how these systems deal with that kind of a situation. Would the > > pressure bypass in the pump without damage? > > > Does anyone have any better suggestion for taking cylinder one out of the > > emissions equation? > > Hm. My first impression is "no", and here's why I think that. 1985 - if > that's still a CIS injection system (anyone know? With the round plate, > not the air mass meter?), then the amount of air going through meters the > amount of fuel which is let through the valve. Unless you *also* were to > decrease the fuel pressure by 25% (causing who knows what else to go wrong), > then the fuel destined for your bad & shut down injector, would just end > up making the others 33% over-fueled. > > If it's an air mass meter type system, maybe, *maybe* you could just pull the > injector's electronic connector. I think that it would be happy to tell the > injector to open, but it just wouldn't. Not sure what the long-term effects > of running this way (other than the obvious loss of power and smoothness), > but I can't imagine it'd be real pleasant. > > Which injection system does your car have? > > Dave Hinz Unless it's a 16v, then it's a CIS. Grunff

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