Chevrolet Venture 2003 Manual -

Replace spark plugs and inspect fuel system.

4.5 quarts (4.3L) with filter. Recommended: SAE 5W-30 . Chevrolet Venture 2003 Manual

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Located on the passenger side of the dashboard. Open the passenger door and pull the small cover on the side of the dash. near the battery.

Inspect engine air filter and replace if dirty.

Located in the engine compartment on the passenger side, near the battery.