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I had bought some 02 sims last year and they went bad soon after I got them. I have an ory pipe and I want to put it back on. Its just that when the sims went bad, mpg's went way way down. If I just unplug the rear 02, will that hurt my mpg's. :confused:I dont want to go through 20 buxs in gas a day
It shouldn't be bad at all... I have my rears unplugged currently cause I put in my ORY last weekend. I am getting roughly the same MPG with the rears unplugged. The only bad things is that you will see an amber SES light glowing in your face...:( I am going to send off my tune to have the EGR and rear o2's turned off. That will eliminate the idiot light...