How can the engine continue to run at all if the pressure in the intake
is greater than atmospheric?

Larry A.

Raceingcajun wrote:

>    The best way to check for a stopped up exhaust/catalytic converter, or
>any other exhaust restriction. Is to put a vacuum gauge on your engine and
>run the RPM'S up to about 2000 RPM'S. If the exhaust has any restriction at
>all, the gauge will go from reading vacuum to reading  pressure as the RPM'S
>go up.
>
>Howard
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>>I vote plugged up catalytic convertor.Does it overheat too,or get hotter
>>than normal? A plugged cat can sometimes be checked by looking at the
>>exhaust. In a normal engine the exhaust is strong and in "puffs". A
>>
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>plugged
>
>
>>convertor, in addition to the above symptoms,can show a smoldering,weak,
>>exhaust without the puffs.Also a lack of power.
>>
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