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Copy that Spiral and Rebound ... thanks for simplifying my jumble of questions , lol! (for the EGR cooler, I'm super lucky there, knowing mine...
Using the outstanding and unparalleled NAB youtube video "2010-2015 Toyota Prius EGR and EGR Cooler Cleanings for P0401 Code" as the reference....
You might want to consider the OBD2 code scanner - BlueDriver - available at Amazon for $99.95. It can pull brake/ABS codes (but of course, not...
I suspected the oil pressure sender was weeping (based on spread pattern of the oil in that area) ... so therefore qualifies as broken. To close...
THE MAGIC WAS TO REMOVE THE STUD TO THE NUT THAT NAB REMOVES AT 10:30 (i.e. in addition to the NUT that NAB and me removed, I ALSO had to remove...
Agreed about Rust Belt woes! Yes, understood about the bottom stud. I'm exactly at that point where I should be able to just pull it forward and...
Jacked the front end up ... unable to understand how one might reach it from that vantage point though. Double-checked that all bolts and hoses...
Copy that Dogman and Georgina - will proceed with it since I have the part and it seems pretty accessible with the wiper cowl and intake manifold...
Looking at the weeping oil spread pattern on the rear & passenger side of the engine, I'd guess that at least the oil pressure sender is weeping...
UPDATE: Removed the bottom EGE cooler nut! But my joy was short lived because, after breaking the bottom E8 Torx stud from rust ... the head of it...
Many Thanks to you both Master Jedi Ray and Master Jedi Mendel - armed with such hard fought and clever insight ... I must surely prevail!
Having a devil of a time breaking the bottom EGR cooler nut (i.e. bottom of the pair of bolts that connect the EGR cooler to the exhaust...
Thank you kindly again Master Jedi Mendel Leisk! Am I reading it correctly ... if it states "10 (102, 7)" I should decode it as "10mm bolt head...
YMMV ... I've heard the "magic" is using Techstream with a USB 2.x port (i.e. do NOT use a USB 3.x port) Supposedly then, it doesn't matter...
Spiral - prudent and thoughtful advice again! With my luck I'll drop something into the valves and forget about it ... wrecking the engine that...
Spiral - Thanks Kindly Man - clever - that saved me a lot of time and uncertainty! It might even make it easier to get the EGR cooler off (a...
Wonder if anyone is aware of a good, hopefully step-by-step guide on how to replace the valve cover gasket? I poked around here and on youtube...
Thanks much Ken ... will proceed as advised on the cylinder head intake ports (knew there was a better name!). I did also order a new EGR cooler...
153k miles and doing the whole EGR circuit cleaning. (languishing at EGR cooler removal ... uggghhhh) I have the intake manifold (IM) completely...
I wonder, are there "telltale signs" if it is the oil pressure sensor?
