[Shotimes] Trouble with idle

[Lewis]

I am having this same problem with my 95.  I have replaced the IAB valve on
the intake and changed the oxygen sensors and I can switch between an 80mm
proflow and the stock maf and the idle problem still occurs.  If I disconect
the small rubber hose that is pointing towards the front of the motor right
next the the IAB valve it will idle fine.  I guess because it is letting air
into the intake.  The hose goes down to a small cylinder with an electrical
connector.  I havn't looked in my manual to see what this unit does.  Is it
the charcoal canister purge line?  Seems like my motor is not getting enough
air to idle.  Here is a pic of the throttle body area.
http://webpages.charter.net/lewishome/throttle.jpg

~William Lewis
95 mtx red
91+ white
www.wclewis.com



-----Original Message-----
From: shotimes-admin@autox.team.net
[mailto:shotimes-admin@autox.team.net]On Behalf Of Thesing, Hunter M.
Sent: Saturday, November 16, 2002 2:59 PM
To: shotimes@autox.team.net
Subject: Re: [Shotimes] Trouble with idle


I replaced the IAB last spring when this first started.  It didn't help, but
gave me a chance to visit the ER when I sliced my finger on the metal gasket
behind it.  Could the MAF be causing this, or maybe the HEGOs?  I read on
the Shotimes that it could be a dirty connector to the MAF.  What would be
the best way to clean it?  This totally stumps me.

Thanks for the reply.
Hunter

> Check the IAB, or idle air bypass valve.  It's the cylinder looking thing
on the
> back of the throttle body.  There is a connector at one end of it.  It can
get dirty
> and not control the air to the engine properly.  It can be disassembled
and cleaned,
> or replaced for about 45 dollars.  It is hard to get to the bottom allen
bolt, but
> an L shaped allen wrench can be used without removing the intake.
>
> Check out the SHOTimes FAQ...there ought to be good instructions on
servicing this
> part there.
>
> www.shotimes.com
>
> George and the Lowrider
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