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i have a gone through the searching i could handle, and i just can't find what I'm looking for, or at least mixed diagnosis
right now i have a check engine light for CODE 21,27,28.
21 and 28 are for the main o2 sensors. so i replaced those thinking that the sub o2(CODE 27) was getting thrown due to the bad fronts. but no not at all
i tried everything i could to try to clear the codes
pulling EFI fuse for extended amounts of time and disconnecting the battery and stepping on the brake pedal, in many different variations. but the code never went away not even flash of the light.
since there is no sub o2 on my car, i came across someone saying something about the coolant circuit going bad in the ECU. has any one heard of or seen this. or any info could possibly help.
have you been able to diagnose the problem? My ck engine light came on, very easy to pull the codes with the help of the forum, and only got one code..."code 27"
Toyota and Lexus Join Mille Miglia For The First Time
Slideshow: A five-car lineup spanning more than five decades of Toyota performance and engineering will tackle one of Italy's most celebrated automotive routes.