Is the 2001 Nissan 3.3L OBD-II certified?

Yes, the label states test group 1NSXT03.5C9A / OBD-II CERTIFIED.

What emission control equipment does this engine use?

The exhaust emission control type is listed as 2TWC(2) / 2HO2S(2) / SFI — two three-way catalysts, two heated oxygen sensors, and sequential fuel injection.

Do the idle speed or valve lash need adjustment?

No. Idle speed, high idle speed, idle mixture setting, and valve lash all show 'NO OTHER ADJUSTMENTS NEEDED.'

What emissions standards does this vehicle meet?

It conforms to U.S. EPA NLEV regulations and California regulations applicable to gasoline-fueled 2001 model year new LEV light-duty trucks (V1).

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2001 Nissan Xterra 3.3L VG33E Emission Control Label (VECI) - Specs & Timing

Nissan Vehicle Emission Control Information label listing test group, displacement, tune-up specs and barcode

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VECI label

Owner caption September 2018 · Photo 2 of 43

This is a photograph of the Vehicle Emission Control Information (VECI) label from a 2001 Nissan light-duty truck equipped with the 3.3 liter VG33E engine. The label states the EPA test group (1NSXT03.5C9A), confirms OBD-II certification, lists the evaporative/refueling family (1NSXR0120RCA), and identifies the exhaust emission control equipment as dual three-way catalysts (2TWC(2)), dual heated oxygen sensors (2HO2S(2)), and sequential fuel injection (SFI). Engine tune-up specifications are provided in a table: idle speed, high idle speed, idle mixture setting, and valve lash all require no adjustments, while ignition timing is specified at 10° BTDC. Conditions for checking timing include normal operating temperature, all accessories off, steering wheel straight ahead, and radiator cooling fan not operating. The compliance statement confirms the vehicle conforms to U.S. EPA NLEV and California LEV regulations for 2001 model year gasoline-fueled light-duty trucks (emission category V1/LEV). The label carries Nissan Motor Co., Ltd branding, engine code VG33E, label code 9Z410, the word CATALYST, and a barcode reading 3320GFFE. A reader can learn the correct ignition timing spec, emission certification details, and emission control system configuration for this vehicle.

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Frequently asked questions

What is the ignition timing spec for the 2001 Nissan 3.3L VG33E?: 10° B.T.D.C., checked with the engine at normal operating temperature, all accessories off, steering wheel straight ahead, and when the radiator cooling fan is not operating.
Is the 2001 Nissan 3.3L OBD-II certified?: Yes, the label states test group 1NSXT03.5C9A / OBD-II CERTIFIED.
What emission control equipment does this engine use?: The exhaust emission control type is listed as 2TWC(2) / 2HO2S(2) / SFI — two three-way catalysts, two heated oxygen sensors, and sequential fuel injection.
Do the idle speed or valve lash need adjustment?: No. Idle speed, high idle speed, idle mixture setting, and valve lash all show 'NO OTHER ADJUSTMENTS NEEDED.'
What emissions standards does this vehicle meet?: It conforms to U.S. EPA NLEV regulations and California regulations applicable to gasoline-fueled 2001 model year new LEV light-duty trucks (V1).