Get Fuel -> Gasoline Guide for Volkswagen Jetta 4 Door Sixth Generation (2011-2018)

Fuel

ꢀ Introduction

In this section you’ll find information about:

Gasoline

Gasoline additives

Diesel fuel

The correct fuel grade for your engine is shown on a sticker located on the inside of the fuel filler flap

⇒ꢀfig. 135.

Bad or poor quality fuel reduces operating performance, efficiency and service life of the engine. If you

notice any symptoms like rough engine idle or performance or “bucking,” immediately reduce the

vehicle speed, accelerate slowly, and keep the engine speed in the middle of the rpm range. Avoid

high rpm and rapid acceleration. If these symptoms should appear right after refueling, switch off the

engine. In both cases contact an authorized Volkswagen dealer or an authorized Volkswagen Service

Facility to have the engine checked.

More information:

ꢀ

⇒ꢀbooklet Warranty and Maintenance

Refueling

Engine control and exhaust system

WARNING

Improper refueling or handling of fuel can cause fire, explosion, and severe burns.

ꢀ

Fuel is highly explosive and flammable and can cause severe burns and other injuries.

Heed applicable safety warnings and obey local fuel handling regulations.

Always make sure the fuel cap is screwed on all the way. This keeps fuel from spilling out

and from evaporating.

ꢀ

Failure to shut the engine off while refueling and/or to insert the pump nozzle fully into the

vehicle's filler neck could cause fuel overflow and fuel spray. Fuel spray and overflowing fuel

are dangerous because they can cause fire or serious injury.

ꢀ

For safety reasons, the engine must be turned off when refueling.

Never get back into your vehicle while refueling. If in exceptional circumstances you must

get back in your vehicle while refueling, make certain that you close the door and touch metal

to discharge static electricity before touching the filler nozzle again. Static electricity can

cause sparks that can ignite fuel vapors released during refueling.

Gasoline

ꢀ Please first read and note the introductory information and heed the WARNINGS

Octane rating

Octane rating indicates a gasoline's ability to resist engine-damaging “knock” caused by pre-ignition.

Using the correct grade of gasoline is very important to help prevent engine damage and loss of

engine performance.

The recommended gasoline octane rating for your engine is listed on a label inside of the fuel filler

flap. This rating may be specified according to AKI (CLC) or RON (ROZ) standards.

If unleaded Premium grade gasoline is specified for your vehicle, then Volkswagen recommends using

TOP TIER Detergent Gasoline with a minimum octane rating of 91 AKI (95 RON). For more

information on TOP TIER Detergent Gasoline, please go to the official Web site,

http://www.toptiergas.com.

The gasoline grades most commonly sold in the United States and Canada have the following octane

ratings, which can usually be found on the filler pump:

ꢀ

Premium grade: 91 to 96 AKI

Regular grade: 87 to 90 AKI

Unleaded gasoline

Unleaded gasoline is available throughout the USA and Canada. Volkswagen recommends that you

do not take your vehicle to places where unleaded gasoline may not be available.

Gasoline containing alcohol or MTBE

You may use unleaded gasoline blended with alcohol or MTBE (methyl tertiary butyl ether), commonly

referred to as oxygenated fuels, if the blended mixture meets the following criteria:

Blends of gasoline and methanol (wood alcohol or methyl alcohol):

ꢀ

Anti-Knock Index (AKI) must be 87 or higher.

Blend must contain no more than 3% methanol.

Blend must contain more than 2% co-solvents.

Blends of gasoline and ethanol (grain alcohol or ethyl alcohol):

ꢀ

Anti-Knock Index (AKI) must be 87 or higher.

Blend must contain no more than 10% ethanol.

Blends of gasoline and MTBE:

ꢀ

Anti-Knock Index (AKI) must be 87 or higher.

Blend must contain no more than 15% MTBE.

Seasonally adjusted gasoline

Many fuels are blended especially for winter or summer conditions. When seasons change,

Volkswagen suggests that you buy fuel at busy stations where the seasonal adjustment is more likely

to be made earlier.

WARNING

Starting fluids can explode and cause a run-away vehicle condition.

ꢀ

Never use starting assist fluids.

NOTICE

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Never use fuel with an octane rating lower than 87 AKI/91 RON. Using lower octane fuel may

cause expensive engine damage.

Never use leaded gasoline! Leaded gasoline will severely damage your vehicle's catalytic

converter.

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ꢀ Methanol-blended fuels that do not meet the criteria listed above may cause corrosion and

may damage plastic and rubber parts in the fuel system.

Fuel -> Gasoline for Your Volkswagen Jetta 4 Door Sixth Generation (2011-2018)

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