Bad O2's causing poor mpg?
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On The Tree
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Bad O2's causing poor mpg? Well ive been told that bad oxygen sensors will result in poor fuel economy, my car just rolled over 95k, is it time to replace the o2's? im getting approx 15 mpg city and like 19 mpg highway. btw its a stock geared camed ls1 with stock tune...
Originally Posted by v-8
Well ive been told that bad oxygen sensors will result in poor fuel economy, my car just rolled over 95k, is it time to replace the o2's? im getting approx 15 mpg city and like 19 mpg highway. btw its a stock geared camed ls1 with stock tune...
Thread Starter
On The Tree
Joined: Feb 2006
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Originally Posted by 00 SLVR Z
Do you have after market long tubed headers? If so, run down to your nearest Advance Auto Parts, Autozone or NAPA and pickup some Bosch #13111 oxygen sensors. They are sch-weet.
I had an O2 disconnected (hilbilly at the exhaust shop moved it and never reconnected), and then along the way had a misfire in #8 cylinder... got like 12mpg over half a tank.
Originally Posted by v-8
At the moment its on stock manis, ill try them...
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From: Vancouver,[KITSILANO].B.C. Canada *WestCoast*
Originally Posted by Bad Blu Formula
If you have a stock tune on a cammed motor then theres your problem. 02's are only going to be a minor part to the whole problem in general.
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If you have a cam in the car that REALLY isnt that bad of gas millage. Depending on your driving it could very well be what the car is getting b/c of the cam and whatnot. If not did you tune the car up... fuel filter, PCV vavle, air filter, exc all these things can have an effect on your gas millage and kill performance
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