Astroc2002 Posted July 26, 2010 Share Posted July 26, 2010 Alright, ever since the start of May 2010 I've been trying to sell my 94 Pathfinder LE V6 4x4 with mods. Haven't been able to due to it failing a California emissions test due a high count of Hydro-Carbon emissions. Anyone got any ideas of what it could be... besides the mods done to the engine? Link to comment Share on other sites More sharing options...
Precise1 Posted July 26, 2010 Share Posted July 26, 2010 Sounds like it is running rich?? Clean MAF Check/replace O2 sensor air filter spark plugs (wires, dizzy cap/rotor) B Link to comment Share on other sites More sharing options...
silverton Posted July 27, 2010 Share Posted July 27, 2010 I believe a high hydro carbon count == failed catalytic converter, or a bad o2 sensor. Link to comment Share on other sites More sharing options...
Astroc2002 Posted August 27, 2010 Author Share Posted August 27, 2010 I believe a high hydro carbon count == failed catalytic converter, or a bad o2 sensor. Alright well I know that the air filter is clean, but I'll check the O2 sensor and the catalytic converter. Thanx guys. Link to comment Share on other sites More sharing options...
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