Chevrolet 2011 HHR Bedienungsanleitung PDF herunterladen (Seite 294)

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Chevrolet HHR Owner Manual - 2011

Gasoline Octane

If the vehicle has the 2.2L L4 engine (VIN Code W), use

regular unleaded gasoline with a posted octane rating

of 87 or higher. If the octane rating is less than 87, an

audible knocking noise, commonly referred to as spark

knock, might be heard when driving. If this occurs, use

a gasoline rated at 87 octane or higher as soon as

possible. If heavy knocking is heard when using

gasoline rated at 87 octane or higher, the engine needs

service.

If the vehicle has the 2.4L L4 engine (VIN Code U), use

premium unleaded gasoline with a posted octane rating

of 91 or higher. You can also use regular unleaded

gasoline rated at 87 octane or higher, but the vehicle's

acceleration could be slightly reduced, and a slight

audible knocking noise, commonly referred to as spark

knock, might be heard. If the octane is less than 87, you

might notice a heavy knocking noise when you drive.

If this occurs, use a gasoline rated at 87 octane or

higher as soon as possible. Otherwise, you could

damage the engine. If heavy knocking is heard when

using gasoline rated at 87 octane or higher, the engine

needs service.

Gasoline Specifications (U.S. and

Canada Only)

At a minimum, gasoline should meet ASTM

specification D 4814 in the United States or

CAN/CGSB‐3.5 or 3.511 in Canada. Some

gasolines contain an octane-enhancing additive

called methylcyclopentadienyl manganese tricarbonyl

(MMT). We recommend against the use of gasolines

containing MMT. See Additives

on page 6‑7

for

additional information.

California Fuel

If the vehicle is certified to meet California Emissions

Standards, it is designed to operate on fuels that meet

California specifications. See the underhood emission

control label. If this fuel is not available in states

adopting California Emissions Standards, the vehicle

will operate satisfactorily on fuels meeting federal

specifications, but emission control system performance

might be affected. The malfunction indicator lamp could

turn on and the vehicle might fail a smog‐check test.

See Malfunction Indicator Lamp

on page 4‑34

. If this

occurs, return to your authorized dealer for diagnosis.

If it is determined that the condition is caused by the

type of fuel used, repairs might not be covered by the

vehicle warranty.

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