1991 LEXUS LS 400 CATALYTIC CONVERTERS OVER HEATING

  • Tiny
  • jhlhorses
  • 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

Friday, July 4th, 2008 AT 6:58 PM

1 Answer

  • Tiny
  • KHLow2008
  • Expert
  • 41,938 posts

Hi jhlhorses,

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

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Sunday, July 20th, 2008 AT 3:02 PM

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