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Re: lumpy idle

To: Alan Lott <lottala@mail.auburn.edu>
Subject: Re: lumpy idle
From: Mike Lishego <mikesl@tartan.sapc.edu>
Date: Wed, 25 Feb 1998 16:25:01 -0800
Alan Lott wrote:

> plug wires seem ok

        I would change these, even if they look OK or aren't very old.  I try 
to 
replace mine every year and a half, while my Dad lets his go until the 
insulation 
falls off!  I put a set of new wires on his car last summer, and the difference 
was 
amazing!  His MPG went up 2 points!!!  Never overlook the plug wires... 

> ...the idle is still lumpy. It just will not stay in one place. The idle
> probably fluctuates in a range of 150 RPMs. At higher RPM, there is a faint
> miss that is not really rythmic, but more intermittent. At idle, the car
> runs very rough with the miss being much more pronounced (but still
> intermittent). At this point, any and all suggestions would be appreciated.
> Thanks in advance :)

        Otherwise, how about your exhaust?  Is it leaky?  Blocked by a small 
tabby 
maybe?  (Obligatory cat content.)  Do you have an exhaust that flows too 
freely?  

        Have you tried a bottle of the carb cleaner you add to your gas tank?  
Sometimes a little residue will booger up your carbs and their performance...

        How about a compression test?  You might have a valve that's 
ever-so-slightly 
damaged that is throwing things off...Other than that, it sounds like you've 
got it 
covered...Good luck!

-- 
Michael S. Lishego
St. Andrews Presbyterian College
Elementary Education Major,
English Minor, Class of 1999
R.A. of Winston-Salem Hall


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