2010 prius egr code

Given that the trouble code was nothing to do with EGR, that EGR valve disassembly may have been an unnecessary distraction. Best case, it doesn't hurt anything, but there are also those times when by doing too many things that aren't related to the code you've got you can end up adding new problems to what you started with.

Maybe the mod should be asked to edit the thread title to not say egr...

 

You have to get it running first but compare the flow out of the exhaust between Prii.

If it's actually starting it may be going down on low power which should code.

 

Other readers may also need to be reminded that the trouble code had nothing to do with EGR.

As for how the EGR valve is built, the threads in the rotor are how it works. When the rotor spins, the pintle moves inward or outward, because of the threads.

It's never supposed to be tight. It's kind of hard to even get it tight, unless there is a rut through the ski-jump part.



If there's a rut it's done for (unless you're one of the creative souls willing to try hot-knife plastic sculpting or the like).

But again, there was no EGR-related code in this thread.

 

So the hill lack of power problem is gone?

Basically you had a bad air leak at idle which prevented a start.

There is a revised egr valve available from Toyota.

 

This is what P0102 means in a gen 3 Toyota Prius:



Here, again, is the meaning of P0102 from a generic, non-Prius list of standard powertrain DTCs:



The reason it means the same thing in the Prius-specific list and in the generic list is that it's a P0 code, which all are standardized by SAE across the industry. P0102 is not an EGR code in any car anywhere.



It's hard to tell just where the mistake happened here, whether you or someone else mistranscribed some other code as P0102, or misremembered MAF as EGR, or actually used a buggy scan tool that showed the wrong description. But one of those things happened, or something like them.

There is a standardized code for an EGR sensor low input, it would be P0405 if a Prius used such a code, but it doesn't.

Sometimes ya just gota listen, and sometimes ya gota correct obvious mistakes.