10K oil changes are BAD! ??

Rebuilt engine

You can clear it everyday and it will come back on the next drive. It will mask a real problem.

 

True. The light came on within seconds of when the engine fired up.
I could check the codes with my Torquepro app everyday. Unlikely, will once a week be OK?

And what sort of code might pop up and be serious even though no change in performance is felt?

I feel I can feel the engine is smoother now. (I know.... a whole lot'o feelings.. Woe, woe, woe feelings....)
Can others do a quick check? (If you have the OBD dongle and the app to clear it.)
Or am I the only one that feels that: slight hesitation, stumble, non-response when adding just a tad of throttle....

 

Could you share a few reasons why NOT to unplug the EGR Valve?
I had a prius friend that has had many and goes to crazy high miles on his fleet of Prii tell me "It could Blow your engine."
I asked him technically what that means exactly. He couldn't say....

The theory is:
Mismatch EGR flow to all the cylinders due to more clogging taking place near the end of the EGR passages in the cold plastic manifold. Cylinder's 1 and 2 usually are where the head gasket fails, correct?
And that failure is due to detonation (?) in those cylinders due to insufficient EGR gasses in the mix, correct?

Therefore: Shutting off all EGR flow should make the mixtures all the cylinders get the exact same, correct?
And hopefully the ECM will keep things happy without that EGR flow, the way they do it in Brazil, correct?

This is probably not the thread to get into these details. Where should this discussion go?
I have plans to swap out the EGR parts with clean parts at some point. I have the spares waiting..
And I have plans to keep the EGR flow as hot as possible by insulating the pipe and spray foam the bottom of the manifold where the EGR passages are. I'll post pics when I have them.
This will all be long term testing. I'd wait for +50k miles on the modded EGR system to see if the intake passages are still clogging mostly near #1 and 2.