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P1291

Posted

Good morning all,

First time on this forum...

I get a P1291 OBD readout from my '99 Cummins 24V.

Where can I find out what that readout means ??!

 

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  • Staff

You will find them in the articles section/ 24 valve 2ed generation/ engine/ OBDII error codes

 

P1291, No temp rise seen from grid heaters.

Do you have your grid heaters disconnected? 

  • Author

I just found the article re: OBD readouts...

OK... now I know at least where to start diagnosing... Thanks !

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