tleader Posted June 30, 2003 Share Posted June 30, 2003 I am getting a code 25 on my 91 LS400 ecu. It say that it is a air-ratio lean malfunction. Anyone know how to fix this problem, or what cuold be causing it? Any help would be appreciated. Quote Link to comment Share on other sites More sharing options...
Lextreme Posted July 1, 2003 Share Posted July 1, 2003 Two possible problem. Bad MAF sensor or O2 problem. I have a symptom diagnositic print out. Its under engine specs on the left side at www.lextreme.com and look for symptom diagnostics Quote Link to comment Share on other sites More sharing options...
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