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Just got a Warranty Enhancement Notification - ZF3 addressing and acknowledging the rough idle issue with or without P0401. Seems I was not the...
@RyanFlorida: He just plugged it in the service port and manipulated with the snapon computer thing. Electronically stepping it up to full open...
I can't get my filter out. Stuck so tight I got so mad. What idiots tighten these things like that? I used to just hand tighten regular oil...
Just a little update. My Prius is still running smoothly. No more stuck valve. No idea how it got stuck only once. But hey, I am happy for now....
Good news. My Prius runs as it should again. I had to look around to find a somewhat local mechanic that is able to tackle the Prius. Found...
That was exactly my thinking. But it's a complex system with all the sensors and things. Have to see if I want to keep tinkering but will keep you...
I might let the shop take car of the diagnostics. I have to stop screwing with it at some point and get it out of my head ;) If you want to hear...
Hmm, OK but I read this statement: An EGR valve can stick open when it should not, causing a rough idle or hesitation. Can this stuff be properly...
Hey, want to ask one more thing to chase this issue down some more before I have the EGR changed. I have 117000 miles on mine, did not have much...
friendly_jacek I see some ebay listings for used ones pulled from newer models. You say after 2012 they had the updated version installed? I would...
25601-37010 PIPE SUB-ASSY, EGR W $245.39 25620-37110 VALVE ASSY, EGR W/MO Replaced by: 25620-37120 $218.32 Looks like an expensive project....
OK, at least the Check Hybrid warning is gone again. 3x restart did the trick as posted somewhere else. For all future readers, I was wondering...
manifold cleaning
No luck for me. Took manifold off as well and did really not look that bad. Cleaned what I could and put it all together again. Started the car...
Good to know that there is an improved EGR but I would think I should take of the intake manifold first and clean it all up before I jump the gun?...
OK, did take out and clean the EGR pipe. Was not that bad looking but clean now. Cleaned on the manifold and EGR side as well as much as I could....
Got the error code read: OBD II code P0401 Exhaust EGR Flow Insufficient Detected. Any suggestions now on where to start?
Well, I have the same strange shake behavior when accelerating in low rpm. Where should I start? First thought spark plugs but after reading here...
