FlrSupra Posted July 11, 2010 Share Posted July 11, 2010 I have been resolving my high HC value that failed my emission test. My car is -94 N/A manual J-Spec I have changed following parts: - Spark plugs - Spark plug wires - Distributor cap - Rotor arm - Both oxygen sensors - Air filter Now I have one error code left which is number 25. On the chart I see it`s: Air-Fuel Ratio Lean Malfunction. Main oxygen sensor voltage is 0.45V or less (lean) for 90sec. under conditions (a) and (b). A= Engine speed over 1500rpm or more. B= Coolant temp 70c or more. Has anyone resolved that error code? Quote Link to comment Share on other sites More sharing options...
Swampy442 Posted July 11, 2010 Share Posted July 11, 2010 Have you disconnected the battery to remove the error codes and gone for a drive, see if anything reappears? Quote Link to comment Share on other sites More sharing options...
FlrSupra Posted July 12, 2010 Author Share Posted July 12, 2010 Have you disconnected the battery to remove the error codes and gone for a drive, see if anything reappears? Yea I did disconnected my battery for 15min. and also to make sure took main fuse off. Now I have drove 40miles and there is no change on the idle. Still sudden fast 100-200rpm drops from 900rpm when idling Haven`t looked the error code yet has the code came back. Quote Link to comment Share on other sites More sharing options...
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