I have the exact same problem as you. I speculated that , it could've been
the injectors but didn't want to believe it, about the airbox intake i might
have to try that later today , because my car , is not fun to drive lately,
maybe someone else can help further, who ever has had the problem we have
and fixed it can tell what they did , so we can all be happy !!!
thanks
Gabriel
89 GTi 16v
From: "Sal" <[email protected]>
To: "Scirocco" <[email protected]>, "16V List"
<[email protected]>
Subject: [tech] injectors
Date: Mon, 14 May 2001 00:26:18 -0700
Motor: 16V
I think that I've found the cause of my bad "misfire" under 3000 rpm. It
seems as though air is not being sucked in by the injectors. In
particular,
the air shrouds appear to be clogged. The hose which provides air from the
air filter and goes to the head between the intake runners #1 and #2 does
not suck in air. In fact, when I disconnect the hose at the air filter,
the
car idles fine. I tried blowing into the injectors and it seems like no
air
passes through the shrouds. First off, can this be causing my "misfiring"
under 3000 rpms and sometimes bad idling? Secondly, can I rebuilt these
injectors or have they bitten the dust?
I'm thinking that under 3000 rpms the injectors are relying on the air
shrouds to provide air but once the second butterfly opens up, additional
air is being thrown into the motor anyways. Hence, causing the "misfiring"
symptons under 3000 rpms. has any one else come across this problem? TIA
Sal
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