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Discussion Starter #1
Just curious if anyone has ever had this code. It says intake air heater resistance. Whatever the cause it reduces engine power but clears with no trouble then everything is back to normal.
 

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I just had that code while running a camaro tonight. My display said reduced engine power but power was not reduced.
 

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Discussion Starter #3
Mine also said power reduced on the dic but I don't guess I really got on it to see if it actually was reduced. Is your egr completely deleted?


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Not high jacking a old thread but can I just had this p166c, Can It be tuned out ?
 

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Discussion Starter #5
When I did my full egr delete and did away with the grid heater it's never come back. But if you ask your tuner I'm sure it could probably be set not to show up as a cel


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