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My answer is YES! if you do not use premium fuel you will see a decrease in fuel milaege, lack of power, and carbon build up. I work at a vw dealership, and I've seen more than once where people come in complaining about their engines acting up. well it turns out that they had carbon buildup and they did NOT use premium fuel. I own a jetta myself and I would not use anything but premium. hope this helps
What else can I help you with?
What cars require premium fuel?
Manny high performance automobiles require premium fuel. Most United States domestic family automobiles do not require premium fuel and will run fine on 87 octane fuel.
Why does a 2005volkswagen jetta 1.8 turbo get such poor fuel mileage?
because of the turbo you see the turbo takes up more fuel and as you go for long periods of time you use the turbo more and there goes your fuel and remember that it is just an approximation not an exact fuel millage
Do turbo charged engines need premium gas?
Usually ... since the ignition temperature of premium fuel is lower than the lower octane rating fuel, the engine runs a bit cooler. I have a VW Jetta Mk IV 1.8L Turbo vehicle and it uses premium fuel - at an average of 20 cents higher than the lowest octane fuel price, it only adds another $2.50 to my total fill up at the pump ... no big deal, really, especially considering the expert performance I get from that engine.
What octane fuel does a 90 300zx non turbo require?
to my knowledge all 90's model 300zx require premium unleaded fuel only. its usually between 91-94 octane depending on the gas station.
What kind of fuel does the 2014 VW Jetta-Hybrid use?
The 2014 Volkswagen Jetta-Hybrid runs on premium unleaded (required).
What kind of fuel does the 2013 Volkswagen Jetta-Hybrid use?
The 2013 Volkswagen Jetta-Hybrid runs on premium unleaded (required).
What kind of fuel does the 2014 VW Jetta-GLI use?
The 2014 Volkswagen Jetta-GLI runs on premium unleaded (recommended).
What kind of fuel does the 2013 Volkswagen Jetta-GLI use?
The 2013 Volkswagen Jetta-GLI runs on premium unleaded (recommended).
What kind of gas do you use in a 2004 VW Beetle Turbo?
You need to use premium fuel
Does the northstar engine in the 1996 Cadillac eldorado require premium fuel?
Premium is recommended for the ETC models
What fuel does an 2003 Audi A4 3.0l require?
premium fuel should say on the inside of the fuel door
Why does the 07 civic si require premium fuel?
It is not just the 07 Civic SI, but the Honda Civic SI made after 06 requires premium fuel because it has a strong engine. It runs more smooth on premium fuel than regular fuel. Regular fuel will eventually damage the engine.
