Quick Summary
Looking for the correct oil type for your 2003 GMC SONOMA? According to factory specs, the 2.2L 4 -cyl Engine Code [H] H requires 10W-30 viscosity oil. Using the right oil capacity of 4.5 QUARTS ensures engine longevity and fuel efficiency.
๐ข๏ธ 2.2L 4 -cyl Engine Code [H] H Most Common
Verified Data
Capacity
4.5 QUART
Viscosity
10W-30
๐ข๏ธ 4.3L 6 -cyl Engine Code [X] LU3 X
Verified Data
Capacity
4.5 QUART
Viscosity
10W-30
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Recommended Maintenance Products
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Oil Filter
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Drain Plug Gasket
Replace every oil change - don't reuse!
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Mechanic Gloves
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Common Trouble Codes for 2003 GMC SONOMA
Get vehicle-specific repair guides for these codes