2005 GMC SIERRA DENALI check engine

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Page 279 of 428

GMC SIERRA DENALI 2005  Owners Manual Fuels in Foreign Countries
If you plan on driving in another country outside the
United States or Canada, the proper fuel may be hard
to �nd. Never use leaded gasoline or any other fuel
not recommende

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GMC SIERRA DENALI 2005  Owners Manual Checking Things Under
the Hood
{CAUTION:
An electric fan under the hood can start up
and injure you even when the engine is not
running. Keep hands, clothing and tools away
from any underhood electric

Page 285 of 428

GMC SIERRA DENALI 2005  Owners Manual A. Engine Air Cleaner/Filter. SeeEngine Air
Cleaner/Filter on page 5-19.
B. Coolant Surge Tank and Pressure Cap. SeeCooling
System on page 5-29andCoolant Surge Tank
Pressure Cap on page 5-26.
C. Air F

Page 286 of 428

GMC SIERRA DENALI 2005  Owners Manual Engine Oil
If the CHECK OIL LEVEL message appears on the
Driver Information Center (DIC), it means you need to
check your engine oil level right away. For more
information, see CHECK OIL LEVEL underDI

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GMC SIERRA DENALI 2005  Owners Manual Notice:Use only engine oil identi�ed as meeting
GM Standard GM6094M and showing the American
Petroleum Institute Certi�ed For Gasoline Engines
starburst symbol. Failure to use the recommended
oil can

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GMC SIERRA DENALI 2005  Owners Manual {CAUTION:
Operating the engine with the air cleaner/�lter
off can cause you or others to be burned. The
air cleaner not only cleans the air; it helps to
stop �ame if the engine back�res. If it is not

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GMC SIERRA DENALI 2005  Owners Manual How to Check
Because this operation can be a little difficult, you may
choose to have this done at the dealership service
department.
If you do it yourself, be sure to follow all the instructions
here

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GMC SIERRA DENALI 2005  Owners Manual Then, without shutting off the engine, follow these steps:
The transmission dipstick
handle is located at the
rear of the engine
compartment, on the
passenger’s side of the
vehicle.
SeeEngine Compar