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Running Rich...

 
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theandyman05



Joined: 24 Aug 2008
Posts: 1

PostPosted: Sun Aug 24, 2008 12:11 pm    Post subject: Running Rich... Reply with quote

I Just bought a 1998 z3 1.9L this week and im trying to iron out some bugs.. whenever i give it lots of throttle, it begins to misfire. i know this is because its running rich, but i need some help trying to fix this. Its showing up codes for the 02 sensor, Mass Air Flow, and Cam Position Sensor. Strangely, i replaced the cam position sensor, erased the code, and today it showed up again. my next guess is to replace the O2 sensor, but i dont know for sure and definately dont want to waste the cash if thats not going to be a good fix. the cam position sensor fix has stopped alot of the misfire, especially around idle and normal driving speed, but it still does it whenever i go full throttle or even half throttle in higher gears. any advice will help! (and no, i'm pretty sure its not the coil or wires or spark plugs..)
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