ng73 Posted December 16, 2010 Share Posted December 16, 2010 My 92 LS400 has no exhaust coming out the car starts up runs but when i cut it off it wont start up i have to wait a cpl hours before it styarts up agian. please help me!!!!!!!!!!!! Quote Link to comment Share on other sites More sharing options...
curiousB Posted December 16, 2010 Share Posted December 16, 2010 Catalytic converters are plugged. Need to replace with new ones. Quote Link to comment Share on other sites More sharing options...
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