Mechanics

CATALYTIC CONVERTERS OVER HEATING

1991 Lexus LS 400

Engine Performance problem
1991 Lexus LS 400 V8 Two Wheel Drive Automatic

my problems is my 91 lexus ls 400 catalytic converters are both over heating to the point of being cherry red the car sets for several months because the water pump leak I thought
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Jhlhorses
July 4, 2008.




Hi jhlhorses,

Overheating catalytic converters are usually due to badly misfiring cylinders or the converters are failing.

KHLow2008
Jul 20, 2008.


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