Code: P04DB? (2017 RAM 3500)

[Smileysrt4]

The crankcase ventilation system was disconnected.

2017 RAM 3500 with 68,000 miles.

This code started happening around 32,000. I have just been clearing the code when it appears.

It usually happens on the interstate going uphill, with trips around an hour long.

I have replaced the crankcase sensor and didn't change anything, and I replaced the crankcase filter.

There is no blow-by at all.

I was just wondering if anyone has any information on this code.

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[AK Bob]

The crankcase ventilation system was disconnected.

2017 RAM 3500 with 68,000 miles.

This code started happening around 32,000. I have just been clearing the code when it appears.

It usually happens on the interstate going uphill, with trips around an hour long.

I have replaced the crankcase sensor and didn't change anything, and I replaced the crankcase filter.

There is no blow-by at all.

I was just wondering if anyone has any information on this code.

See the attached information.

It looks like you may have an intake system leak.

I recommend this tester if you decide to check for intake system leaks.

https://a.co/d/fCGjwJc

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