Dodge Colt/Challenger/Conquest/Vista 1971-1989 Repair Guide

Catalytic Converter

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DESCRIPTION



The catalytic converter is used on 1978 and later models.

This unit or units (two used in 1981-83), replaces the thermal reactor. It is filled with catalyst to oxidize hydrocarbons and carbon monoxide in the exhaust gases. Two units are used on some late models.

MAINTENANCE





Click image to see an enlarged view

Fig. Fig. 1 Cutaway view of the exhaust manifold mounted catalytic converter

  1. Check the core for cracks and damages.
  2.  
  3. If the idle carbon monoxide and hydrocarbon content exceeds specifications and the ignition timing and idle mixture are correct, the converter must be replaced.
  4.  

 
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