Check engine lights comes on and off
02-28-07, 03:30 PM
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Check engine lights comes on and off
My check engine light is weird. At times it will come on and stay one for a couple of minutes and then go away. Then Sometimes it comes on for like 5 seconds and goes away. Has anyone ever had this problem?
02-28-07, 03:49 PM
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my sc300 does the same thing sometimes it will come on for a whole day and then comes off .im thinking its the o2 sensor because its the original one in the car .it could be the egr too .im not to sure .run a diagnostic via the port in the engine bay and see what u came up with
03-01-07, 09:36 PM
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pulling engine codes will probably tell you whats the problem might be, but the most common check engine light is the O2 sensor. If you didnt replace it in a while it is most likely the case.
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