P1291
02-19-2010, 09:30 PM
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P1291
Every now and then I throw a
P1291 - No Temperature Rise Seen From Intake Air Heaters
like this evening on way to work, only on start up. I usually just reset the CEL and go on my way, but curious if anyone has experience with this code, or what I could check. I'm guessing the intake grid heaters, but they seem to work okay, voltage draw when cold, , wait to start, etc.
Thanks.
P1291 - No Temperature Rise Seen From Intake Air Heaters
like this evening on way to work, only on start up. I usually just reset the CEL and go on my way, but curious if anyone has experience with this code, or what I could check. I'm guessing the intake grid heaters, but they seem to work okay, voltage draw when cold, , wait to start, etc.
Thanks.
Last edited by danimal1208; 02-19-2010 at 11:21 PM. Reason: fixed error code description
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