Date: Thu, 31 Jul 2003 21:26:32 +0100 From: "Richard Chew" <richnopsamamdieseldo.demon.co.uk> Subject: Re: Check engine light, error code P1171
Sounds like you've got an airleak somewhere in the intake system, causing a lean mixture. First place i would look is the hose from the EVAP valve, on the RH inner wing by the top belt pulley, to inlet manifold hose (looking at the engine from the front, back left of the inlet manifold. There is an 'elbow' about 2" long on the end and it usually splits. HTH, Rich "JHK" <jhkherenopsamail.com> wrote in message news:bfm6jv$4jp$1nopsam3.bu.edu... > 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 > > > > > >
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