Thank you everyone for responding. I really appreciate your responses. To clarify, the service advisors told me I should use Honda semi-syn for at least two cycles. One even told me he's applied additives to conventional oil that make it perform to better than synthetic. - Although, that's not...
Just got a new Honda Civic. I had oil laying around that belonged to the car I traded in. I replaced it to the owners manual (optional) specs, as the standard factory oil is semi-synthetic. My GTI used synthetic always...(don't roll your eyes.)
When I told my the service guy I would provide my...
You guys are very helpful. Thank you for all your responses. I think I will.
1. Flash my ECU to stock specifications.
2. Take another sample at my next oil change.
Hi guys. This is my first time posting,
I sent an oil sample to Blackstone. Everything turned out fine, except for 6% fuel dillution. I wanted to know what could be causing this, so I called Blackstone.
Since my car's ECU is upgraded, they said the fuel mappings might be programmed...