Re: Hot exhaust gas ( was Re: IML: help)

[<mopar413@xxxxxxxxxxx>]

Also check to see if a muffler is plugged or a catl itic converter is going bad.  That is if you have a catlitic converter.
---- David Whitney <hazegreen66@xxxxxxxxx> wrote: 
> Hi, Greg --
>    
>   It sounds like you may have a number of issues related to high under hood temperature.  This could be an indicator of serious problems.  If your exhaust gases are discoloring your intake manifold paint job, are they also causing the exhaust manifolds to glow and/or crack?
>    
>   There are three main reasons why exhaust can get that hot:
>    
>   1.  Low octane gas in high compression engine.
>    
>   2.  Timing is retarded too much.
>    
>   3.  One or more cylinders running lean.
>    
>   Please investigate these conditions and see if things improve.  Start by pulling your plugs and look for yellow deposits.  If you see any, you have excessively high temperature in that cylinder.  You will probably notice discoloration of the exhaust manifold at the same cylinder.
>    
> 
>        
> ---------------------------------
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