Date: Wed, 23 Jul 2003 10:35:46 -0400 From: "JHK" <jhkherenopsamail.com> Subject: Re: Check engine light, error code P1171
I found another explanation about P1171 from Google. I'm not sure which one is right, but it does make much more sense to me. P1171 is "Closed loop, lean mixture". Is it from the O2 sensor? Thanks. JH. "JHK" <jhkherenopsamail.com> wrote in message news:bfk23m$76o$1nopsam3.bu.edu... > Recently, CEL light is come up on my 96 900SET (2.0, 4c). > My car is driving fine, but I noticed mpg gets much lower than usual. > Now it's only 16~18 for city driving. (I've been suspicious about O2 sensor) > > I pulled the code from the shop and got somewhat unexpected "p1171" error, > which means "Rotor sensor fault". > > Has anyone had a same problem before? > Any suggestion will be appreciated. > > Thanks. > > > JH > >