DPFE question
#1
DPFE question
alright, i'm getting the p0401 flow insufficient code. i've already replaced the egr valve which fixed the previous code, but now a week later this is happening. i was going to pull the DPFE, but, how the heck do you get it off! Ive tugged at it till i've gotten tired of it. please help. i've also checked the vacuum lines and made sure they were tight and not leaking, and they weren't.
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