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What oil are you using? Keep it topped off and continue treatment
The gaps of plugs 1 & 3 are within specs - between 1.02 and 1.14mm I may try to run plugs 2 & 4 out to 200,000 Here are pics of the cylinders...
Yes - original OEM plugs with 150,000 miles Sorry for the confusion
150,000 miles right after a techron treatment The first one looked so good that I decided to only pull 1&3 - I will replace the others right...
I understand the theory, but don't necessarily agree with it If switching to synthetic were the cause in these cases, everyone switching back to...
At $25 per bottle, I recommend keeping it in there for 10,000 miles by using the group3 synthetic
See my original post: One for the Experts - Only (Oil usage)
I still stand by my previous recommendation Use ARX at full dose initially and reduce to maintenance doses when consumption drops to acceptable...
I thought you had already bought Auto-RX Did you try it yet? My oil consumption is down to 1qt per 5,000mi using ARX maintenance doses...
Here is the log for this OCI 4qt M1EP 5w20 @135,000 1qt + AutoRX maintenance dose @138,500 0.5qt @141,000 0.5qt @143,000 0.5qt @146,600 Ready to...
They claim the ARX is attracted to the metal like the true synthetic oils (ie group 5 oil) and you need a regular G2 or G3 synthetic to rinse...
If I had to do it all over again, I would... (will quote items from Walmart for simplicity) Treat Cycle (I say Treat instead of Clean to avoid...
In my opinion, here are your options listed in decreasing order of $$$/effort/effectiveness Engine replacement Rebuild engine or re-ring pistons...
No significant changes I changed the oil at 135,000 with M1EP and am at 138,000 - still consume about 1qt per 4,000miles I believe my oil...
See my update on oil consumption One for the Experts - Only (Oil usage) | Page 2 | PriusChat
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Thought I should provide an update since my consumption rate has improved to 1qt per 4,000miles ... I have continued Auto-RX clean and rinse...
So you used 2qt over 12k miles... 1qt every 6k miles seems very reasonable to me with 196k miles on your engine Not sure you could expect much...
Read the links in my post above Use something to free the oil control rings - Auto-RX, Techron, Marvel Mystery Oil, Kreen, Rislone... Each...
I had a similar oil consumption spike, but much worse - more than a quart every 1000 miles I used dino oil for 5k changes with some out to 7k...
