Quote:
Originally Posted by harris69
AlpineWhite_F10, I have't looked at your logs but have you replaced your sparkplugs? How many miles are on your car? Also, if your car is pulling timing, tune your car for 91 octane tune (but still run 93 octane in the tank) and post your logs.
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IDK when it was changed by previous owner, but when I removed them, they look liked news, now any blacks on head.. car has 54K miles.. I bought at 51K miles.. car hasn't any errors on diagnostic..