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Check Engine light comes with no fault code 200

posted by  Voip on  Sun Dec 19 06:02 CST 2010
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last visit: Wed Jan 12 23:10 CST 2011
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The Check Engine light has been in the OFF mode since I corrected the overheating problem and reset the fault codes several days ago. My own explanation is that the 2-4-1 code was contributed by the overheating due to low coolant level. At well above normal temperature, the temperature sensor probably saturated and its reading did not increase when the EGR valve was opened.

I also did the ECU Outputs (diagnostic control function 3) test, clicks were heard. So, I assume EGR control valve is working properly. I will continue checking for any Fault code before my son drives 240 back to university after New Year.






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New Check Engine light comes with no fault code [200]
posted by  Voip  on Sat Dec 11 07:17 CST 2010 >


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