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 MANUALSTOYOTA1984CELICA SUPRA LREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCEEMISSIONSSTATE EMISSION STANDARDS - GASWISCONSIN
1984 Toyota Celica Supra L
State Emission Standards - Gas: WISCONSIN
1984 Toyota Celica Supra LSECTION WISCONSIN
WISCONSIN EMISSION STANDARDS - IM240 TEST
| Application | HC gpm (CO gpm) | NOx gpm | |
|---|---|---|---|
| Light Duty Vehicles (6000 GVWR Or Less) | |||
| 1968-72 | 7.0 (120) | 7.0 | |
| 1973-74 | 7.0 (120) | 6.0 | |
| 1975-76 | 3.0 (65) | 6.0 | |
| 1977-79 | 3.0 (65) | 4.0 | |
| 1980 | 2.0 (60) | 4.0 | |
| 1981-82 | 2.0 (60) | 3.0 | |
| 1983-86 | 2.0 (30) | 3.0 | |
| 1987-93 | 0.8 (15) | 2.0 | |
| 1991-95 | 0.8 (15) | 2.0 | |
| 1996 & Newer | 0.6 (10) | 1.5 | |
| Light Duty Trucks (6000 GVWR Or Less) | |||
| 1968-72 | 7.0 (120) | 7.0 | |
| 1973-74 | 7.0 (120) | 6.0 | |
| 1975-78 | 4.0 (80) | 6.0 | |
| 1979-83 | 3.4 (70) | 4.5 | |
| 1984-86 | 3.2 (70) | 4.5 | |
| 1987 | 1.6 (40) | 4.5 | |
| 1988-95 | 1.6 (40) | 2.5 | |
| 1996 & Newer (3750 LVW Or Less) | 0.6 (10) | 1.5 | |
| 1996 & Newer (3751 LVW Or More) | 0.8 (13) | 1.8 | |
| Light Duty Trucks (6001-8500 GVWR) | |||
| 1968-72 | 7.0 (120) | 7.0 | |
| 1973-74 | 7.0 (120) | 6.0 | |
| 1975-78 | 4.0 (80) | 6.0 | |
| 1979-83 | 3.4 (70) | 4.5 | |
| 1984-86 | 3.2 (70) | 4.5 | |
| 1988-96 | 1.6 (40) | 3.5 | |
| 1997 & Newer (5750 ALVW Or Less) | 0.8 (13) | 1.8 | |
| 1997 & Newer (5751 ALVW Or More) | 0.8 (15) | 2.0 | |
| Heavy Duty Trucks (8501-10, 000 GVWR) | |||
| 1968-69 | 20.0 (200) | 15.0 | |
| 1970-73 | 10.0 (175) | 10.0 | |
| 1974-78 | 10.0 (150) | 10.0 | |
| 1979-84 | 7.5 (100) | 8.0 | |
| 1985-86 | 5.0 (80) | 8.0 | |
| 1987-90 | 2.0 (40) | 6.0 | |
| 1991-97 | 2.0 (40) | 5.0 | |
| 1998 & Newer | 2.0 (30) | 4.0 | |
| Heavy Duty Trucks (10, 001 GVWR or More) | |||
| 1968-69 | 24.0 (250) | 30.0 | |
| 1970-73 | 13.0 (175) | 20.0 | |
| 1974-78 | 13.0 (150) | 20.0 | |
| 1979-84 | 11.5 (150) | 16.0 | |
| 1985-86 | 10.0 (150) | 16.0 | |
| 1987-90 | 3.5 (70) | 11.0 | |
| 1991-97 | 3.5 (70) | 9.0 | |
| 1998 & Newer | 3.5 (60) | 7.0 | |
WISCONSIN EMISSION STANDARDS - 2-SPEED IDLE TEST
| Application | HC ppm (CO %) | |
|---|---|---|
| Passenger Cars | ||
| 1968-71 | 800 (8.0) | |
| 1972-74 | 550 (7.0) | |
| 1975-77 | 450 (5.5) | |
| 1978 | 350 (4.0) | |
| 1979 | 275 (3.0) | |
| 1980 | 230 (2.0) | |
| 1981 & Newer | 220 (1.2) | |
| Light Duty Trucks (6000 GVWR Or Less) | ||
| 1968-71 | 800 (8.0) | |
| 1972-74 | 700 (7.0) | |
| 1975-77 | 500 (6.0) | |
| 1978 | 450 (5.0) | |
| 1979 | 300 (3.0) | |
| 1980 | 275 (2.5) | |
| 1981-84 | 250 (2.0) | |
| 1985 & Newer | 220 (1.2) | |
| Light Duty Trucks (6001-8500 GVWR) | ||
| 1968-69 | 1450 (9.0) | |
| 1970-71 | 800 (8.0) | |
| 1972-74 | 700 (7.0) | |
| 1975-77 | 550 (6.5) | |
| 1978 | 450 (5.5) | |
| 1979 | 300 (3.0) | |
| 1980 | 275 (2.5) | |
| 1981-84 | 250 (2.0) | |
| 1985 & Newer | 220 (1.2) | |
| Heavy Duty Trucks (8501 GVWR Or More) | ||
| 1968-71 | 1500 (9.5) | |
| 1972-78 | 900 (9.0) | |
| 1979-84 | 700 (7.0) | |
| 1985 & Newer | 300 (3.0) | |
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.