What does P0404 mean
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RE: What does P0404 mean
This may or may not help I'm not entirely sure, but I'm a Ford diesel tech and that code means the same thing on the trucks I work on, and usually it is a stuck EGR valve. Now that may or may not be the case with your truck so I would have it checked out by the dealership or a repair shop to be sure.
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RE: What does P0404 mean
Yes, it should be covered.
My '05 Ram 1500 QC 4X4 just threw the same code over the weekend. I reset the PCM and it cleared the code, the light came back on after 5 minutes then went back out. Probably a slight variation in the voltage that's causing the light to illuminate.
I'll have it at the dealer soon, as I also have a slight leak in the power steering system. Either at the pump (most likely) or the steering box.
My '05 Ram 1500 QC 4X4 just threw the same code over the weekend. I reset the PCM and it cleared the code, the light came back on after 5 minutes then went back out. Probably a slight variation in the voltage that's causing the light to illuminate.
I'll have it at the dealer soon, as I also have a slight leak in the power steering system. Either at the pump (most likely) or the steering box.
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