i bought my car used and i was wondering if the previous owner ever installed the performance chip, how can i check if my car has one already installed? is it possible for me to check that? where is it located in the car?
The ECU unit is located under the hood on the passenger side behind the firewall. The only way you can find out is to remove it and open the ECU or try to go pass 130mph.
Why do you think there is a performance chip installed?
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