P0404

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RUMBLE BEE 1546

Junior Member
Joined
Feb 3, 2012
Posts
20
Reaction score
1
Ram Year
2004
Engine
5.7L
So recently my truck has been throwing the P0404 code indicating a bad EGR. I replaced it 6 months ago and within a month it came back. I replaced it again and it keeps coming back. The only time it comes up is after I go hard on the throttle. No symptoms or anything.

Here's what I have done so far:
- Replaced EGR 2 times
- Replaced PCV
- Cleaned TB and EGR "pipe"
- Recently replaced CAT's as one grenaded on me

Truck has been good to me otherwise. Just trying to figure this out without the involvement of the dealer. My largest concern is busting another CAT. That was a $1400 fix :flame:
 

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