Rough Idle Problem...Sometimes

[MK1Scirocco16v at attbi.com (Dave Ewing)]

Could be a lot of things but I would lean toward it being fuel related like
a leaky injector or something.  But, could be something else too.  Start
with mechanical, if you can't find anything wrong there (compression,
condition of plugs, flat lifters?), etc, then go on to ignition (cap, rotor,
leaky distributor, wires, plugs, timing etc. etc)  then check fuel (pump
pressure, system pressure, sensor plate, throttle body, fuel filter, etc.
etc).  Eventually you will stumble upon your problem.  The fact that it only
happens once in a while makes it tougher to diagnose.  Good luck!!

Dave
----- Original Message ----- 
From: "Luis Flores Jr" <scirocco93210@yahoo.com>
To: <scirocco-l@scirocco.org>
Sent: Wednesday, June 25, 2003 5:05 PM
Subject: Rough Idle Problem...Sometimes


>   Car is an 87 16v and it will start up and run fine
> most of the time.  Occasionally, it will start but run
> like crap,  almost like it is running on 3 cylinders,
> no power and a rough unsteady idle.  If I turn the car
> off and restart it, it will usually run fine.
> Sometimes it will take a couple of restarts to correct
> the problem.  Any ideas???  I just replaced the
> distributor, so I know that isn't the problem.
>
> Thanks, Luis
>
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