md91ls Posted July 18, 2011 Share Posted July 18, 2011 can I clean valve or ports, how to correct this? seems to be oil leak at bottom of timing cover or crank. cant tell were its from . HELP Quote Link to comment Share on other sites More sharing options...
DEATH_AWAITS_YOU Posted July 18, 2011 Share Posted July 18, 2011 can I clean valve or ports, how to correct this? seems to be oil leak at bottom of timing cover or crank. cant tell were its from . HELP Code 71 for EGR Malfunction is caused by a bad EGR Vacuum Modulator. Replace this and clear your DTC. Problem solved. As far as your oil leak is concerned, you probably need some cam seals, front crank seal and maybe even valve cover gaskets. Not a lot of fun to do these seals, as all of the connectors on the old LS400's are very brittle. Quote Link to comment Share on other sites More sharing options...
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