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 MANUALSSAAB1995900 SE, 2D HATCHBACK, STANDARDREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCEADJUSTMENTENGINE CONTROLS - ADJUSTMENTS - 2.0L TURBOIDLE SPEED & MIXTUREIDLE MIXTURE

1995 Saab 900 SE, 2D Hatchback, Standard

Idle Mixture

1995 Saab 900 SE, 2D Hatchback, StandardSECTION Idle Mixture

NOTE: Mixture adjustment is not a part of normal tune-up procedure, and should not be performed unless mixture control unit is replaced or vehicle fails emissions testing.

Start and warm engine to normal operating temperature. Using an exhaust analyzer, measure CO level. If CO level is not within specification, rotate CO adjuster screw clockwise to increase value or counterclockwise to decrease value. Adjuster screw is located on throttle body. See IDLE SPEED & CO LEVEL table. Remove test equipment. Plug adjuster screw.

IDLE SPEED & CO LEVEL

Application

Idle RPM

⁽¹⁾ % CO Level

Turbo

850-900

0.9-1.6

⁽¹⁾	General specification. Check State Emission Standards.

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.