Higher octane fuels are typically recommended for engines that have a higher combustion ratio or use super or turbocharge energy to force more air into the engine. If a higher octane is recommended for your vehicle, using it will boost performance and overall fuel economy
Dirty fuel can cause premature failure in equipment of any age. Because of the extremely high pressures, this damage is even more pronounced in newer equipment with High-pressure Common Rail (HPCR) fuel systems
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Anyone has Nissan issue p0448
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I have a g37 convertible, showing a u1000 code. The problem is that it doesn't go past 5000 rpm it always shifts too early causing it to lose so much power. I had a gsensor fault code but i have replaced it. I checked all grounds to the transmission, they were bad and then fixed them. But the code is still there. Do you know what the issue is?