Really Bad Engine Sludge... - Toyota Yaris Forums

yougojay · 05-02-2014, 09:17 PM

Just out of curiosity, what is cheap 'total' conventional oil?
What is the brand and weight?

If you are changing the oil pretty much every 5,000 miles and it looks like that under the cap, could be a combination of cheaper oil & more severe driving.

I don't trust engine additives or flushes, either. You need to start using a better quality conventional or synthetic blend oil. Try a few shorter (2000-3000) mile oil change intervals with either Pennzoil Yellow Bottle or Pennzoil Synthetic Blend (I believe they call it Pennzoil Gold) If these are available on your island of P.R. - Change the filter each time! If you are a 'spirited' driver I suggest you shorten your OCI a little bit (in the future) Use a BETTER quality oil & it will clean that varnishing up before you hit 100,000 miles.

Shorten your oil change interval, change the filter each time & use a better quality oil.

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05-02-2014, 09:17 PM	#3
yougojay 25, 550 MILES! View User's Garage Drives: Yaris L Coupe Join Date: Apr 2013 Location: East End Posts: 500	Just out of curiosity, what is cheap 'total' conventional oil? What is the brand and weight? If you are changing the oil pretty much every 5,000 miles and it looks like that under the cap, could be a combination of cheaper oil & more severe driving. I don't trust engine additives or flushes, either. You need to start using a better quality conventional or synthetic blend oil. Try a few shorter (2000-3000) mile oil change intervals with either Pennzoil Yellow Bottle or Pennzoil Synthetic Blend (I believe they call it Pennzoil Gold) If these are available on your island of P.R. - Change the filter each time! If you are a 'spirited' driver I suggest you shorten your OCI a little bit (in the future) Use a BETTER quality oil & it will clean that varnishing up before you hit 100,000 miles. Shorten your oil change interval, change the filter each time & use a better quality oil.