Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSCHEVROLET1996TAHOE 2D UTILITY, 6.5 SREPAIR AND DIAGNOSIS (SINGLE PAGE)GENERAL INFORMATIONENGINE PERFORMANCESTATE EMISSION STANDARDS - GASMASSACHUSETTS
1996 Chevrolet Tahoe 2D Utility, 6.5 S
State Emission Standards - Gas: MASSACHUSETTS
1996 Chevrolet Tahoe 2D Utility, 6.5 SSECTION MASSACHUSETTS
MASSACHUSETTS EMISSION STANDARDS - MA31 TEST
| Application | HC gpm (CO gpm) | NOx gpm | |||||
|---|---|---|---|---|---|---|---|
| Passenger Cars | |||||||
| 1984-90 | 2.0 (30) | 3.0 | |||||
| 1991-95 | 1.2 (20) | 2.5 | |||||
| 1996 & Newer | 0.8 (13) | 2.0 | |||||
| Light Duty Trucks (6000 GVWR Or Less) | |||||||
| 1984-87 | 3.2 (80) | 7.0 | |||||
| 1988-1990 | 3.2 (80) | 3.5 | |||||
| 1991-95 | 2.4 (60) | 3.0 | |||||
| 1996 & Newer (3750 LVW (1) Or Less) | 0.8 (15) | 2.0 | |||||
| 1996 & Newer (3751 LVW (1) Or Greater) | 1.0 (20) | 2.5 | |||||
| Light Duty Trucks (6001-8500 GVWR) | |||||||
| 1984-87 | 3.2 (80) | 7.0 | |||||
| 1988-90 | 3.2 (80) | 5.0 | |||||
| 1991-95 | 2.4 (60) | 4.5 | |||||
| 1996 & Newer (5750 ALVW (2) Or Less) | 1.0 (20) | 2.5 | |||||
| 1996 & Newer (5751 ALVW (2) Or Greater) | 2.4 (60) | 4.0 | |||||
| Heavy Duty Trucks (8501-10, 000 Or Greater) | |||||||
| 1984-87 | 3.2 (80) | 7.0 | |||||
| 1988-90 | 3.2 (80) | 5.0 | |||||
| 1991-95 | 2.4 (60) | 4.5 | |||||
| 1996 & Newer | 2.4 (60) | 4.0 | |||||
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MASSACHUSETTS EMISSION STANDARDS - 2-SPEED IDLE TEST
| Application | HC ppm (CO %) | |
|---|---|---|
| All Vehicles | ||
| 1984-86 | 220 (0.80) | |
| 1987 & Newer | 100 (0.60) | |
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.