kvaleras Posted July 30, 2004 Share Posted July 30, 2004 Hi, all, A couple of days ago I replaced the coolant temperature sensor on my Legacy. Today ``check engine'' light came on. Went to the Autozone, pulled the code: P0101 Mass or Volume Air Flow Circuit Range/Performance Problem What could it be? I suspect it is related to the latest repair - I removed the big hose connecting the air flow sensor with the throttle body. Am I right? Thanks! Link to comment Share on other sites More sharing options...
mbshop Posted July 30, 2004 Share Posted July 30, 2004 either you turned on the key while you had something disconnected or you have something loose. recheck your work. george kvaleras said: Hi, all, A couple of days ago I replaced the coolant temperature sensor on my Legacy. Today ``check engine'' light came on. Went to the Autozone, pulled the code: P0101 Mass or Volume Air Flow Circuit Range/Performance Problem What could it be? I suspect it is related to the latest repair - I removed the big hose connecting the air flow sensor with the throttle body. Am I right? Thanks! Link to comment Share on other sites More sharing options...
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