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Random misfire

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    Hey everyone I have a 2007 TC 130 K, I have a random misfire code, replaced spark plugs, air filter, cleaned the trouble body and replaced the o2 sensor that one was reading low. The next day I get cylinder 3 misfire I swap the coils and the coils were good, swap the injectors and the injectors are good.
    I really run out of options is anybody here had that same problem or any other suggestions. THANK
    Your next bet is doing a compression test. Also when your pulled the plugs did you see any oil on the plugs of coolant in the cylinder?
    I did a compression test and everything is fine, and not signal of oil or coolant on the spark plugs.
    Dayvis_Pana wrote:
    I did a compression test and everything is fine, and not signal of oil or coolant on the spark plugs.


    Now look at the bottom of the plug, like where the spark happens. Is it white? I would also pressure test your coolant system. Auto parts stores should have a kit you can rent. If nothing seems off than you should do a leak down test on the motor.
    Ok let me do that thanks for your help.
    Ya man. Let me know how it goes. If you can take a picture of the bottom of the spark plug
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