Having problems with your 2005 Nissan Sentra ?

I have a 05 nissan sentra and it rides great, but the gas mileage is terrible only getting approximately 18-20 mpg. What may be the problem. I upgraded the gas octane.

Posted / edited by AnonymousUser on : 15-04-2019

Answers :

DO NOT UPGRADE OCTANE

This results in even worse MPG.

Why?\015\012
\015\012Octane is a measure of the stibility of the fuel. The higher the octane, the more energy is required to burn the fuel. When you have a high performance engine that is built to have more internal pressure, you need more stable (aka higher octane) fuel. \015\012
When you have an engine that is built to use low octane fuel, it is best to use this fuel. Your wasting money on the high octane gas and not getting any benefit.
You need to change the spark plugs and wires to properly burn the gas fully then you can just get agood oil change and you would get better gas mileage
Repair Help & Product Troubleshooting for 2005 Nissan Sentra

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