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i own one and well I got better mileage by changing the air intake to a custom one, setting tires to proper pressure, using 89 octane gasoline, i would get 13 in city but after i did this, it gives me like 18 city, 25 high way
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∙ 13y ago
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How do you replace the oil pump on a 2003 gmc envoy?
Change oil pump 2003 Gmc Envoy
How many gallons of gas will a 2003 GMC envoy hold?
how many gallons of gass will a 2003 GMC Envoy hold
What spark plugs are used for a 2003 gmc envoy?
ac delco spark plugs are type that originally came with 2003 GMC envoy
2003 gmc envoy bolt pattern?
6x5
How do you get better gas mileage with a 2003 GMC Envoy?
I have a 2003 Envoy. I get better gas mileage by using mobile 1 0w-40 oil. Use any oil approved to be a substitute for BMW longlife. I drive 32miles a day, 24 miles highway and 6 city. In bumper-to-bumper about 1/2 the time. I get 17mpg. When I drive straight highway I get 22.7-23mpg. I never get less than 20mpg on the highway.
What kind of light bulb to i get for the breaklight of my 2003 gmc envoy?
The 2003 GMC Envoy brake light lamp is a 3157. See sources and related links below for more information on bulbs.
Where is cabin air filter 2003 GMC Envoy?
They don't have one
What is the gas mileage for a 2002 GMC envoy with a 4.2 liter v6?
The estimated gas mileage for a 2002 GMC Envoy with a 4.2 liter, V6 engine is approximately 20 miles per gallon when driving on the highway. For city driving, the approximate gas mileage is 14 miles per gallon.
How do you replace the timing belt on a 2003 GMC Envoy SLT?
The 2003 GMC Envoy inline 6 engine does not have a timing belt but a timing chain. No need to replace anything unless the chain breaks.
Ckeck engine on 2003 gmc envoy?
take to your local dealer for diag.
Where is the oxygen sensor 2003 gmc envoy?
My car when slow stop engine
2003 gmc envoy cabin filter?
These trucks do not have a cabin air filter.
