Looking for opinions and feedback on P1291 code.

[Katoom]

I've been fighting the P1291 code over the past few weeks, which is "No Temperature Rise Seen From Intake Air Heater". I went through the protocol check list to determine what could be the problem but everything seemingly checked out. I could have overlooked something but nonetheless.....

Without going into a long drawn out post about what I've already done, I'd like to know who has already dealt with this code and what you did to solve it. Or should I say, what part did you find was faulty? Thanks guys. :Cheer:

 

[Katoom]

Found it.....
The ground cable from the grid element to the manifold had a bad connection and was causing an intermittent ground issue.

Here's what I found. Because I dont think I could have found this little cable anywhere local and the corrosion was on the exposed end, I shortened it and re-crimped it and sealed it.

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