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Just had upgraded Brembos installed then went and tracked the car at Sonoma . Everything was running great even daily drive it to work for a few days after. I get in on the next weekend and the car won’t get up to operating temperature and then the next day it pops up with solid check engine light. Anyone ever experienced anything like this? Hopefully it’s something small like O2 sensor but I’m really worried
 

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Get the codes read, that will tell you why you have a CEL. If you do not have reader many chain auto stores have one you can use.
 
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