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Discussion Starter · #1 ·
my car has 1600k on it. when i had the long tubes and pro chamber put on i used the mil's instead of a chip and re-program. now just a couple hundred miles later my ses light is on and my car is running horrible. i had a 98 gt and just after i put on a bbk h with high flow cats my ses light came on. it was running horrible like my 03 is now. i took it to ford and they replaced one of my o2 sensors and it was fine after that. is my car not running right cause the mil's arent working and the o2 sensors are sending the actual readings (which are bad cause of no cats) to the computer causing the car not to run right? if i get a chip and have the rear o2's turned off will this fix everything? if the rear o2's are bad i dont need to replace them if im going to turn them off via a chip and reprogram right?

any help would be great

thanks
 
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