ng73 0 Report post 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 Share this post Link to post Share on other sites
curiousB 11 Report post Posted December 16, 2010 Catalytic converters are plugged. Need to replace with new ones. Quote Share this post Link to post Share on other sites
