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 MANUALSCHEVROLET1992CAVALIER RS, 2D CONVERTIBLE, 2.2 4, STANDARDREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCEENGINE CONTROLS - ADJUSTMENTS - 4-CYLINDERIDLE SPEED & MIXTUREIDLE SPEED1.9L
1992 Chevrolet Cavalier RS, 2D Convertible, 2.2 4, Standard
Idle Speed: 1.9L
1992 Chevrolet Cavalier RS, 2D Convertible, 2.2 4, StandardSECTION 1.9L
- Remove idle stop screw plug. Insert IAC air plug in throttle body assembly (SA9196E for TBI or SA9106E for PFI). Disconnect IAC valve harness connector. Connect scan tester to ALDL test connector.
- Start engine. Check idle speed. Idle speed should be 450-650 RPM. If idle speed is not as specified, adjust idle speed screw to 500-600 RPM. Turn engine off. Reconnect IAC valve harness connector. Check TPS voltage. See THROTTLE POSITION SENSOR (TPS).
- Remove IAC air plug, and install idle stop screw plug. Start engine, and verify proper idle operation. If proper idle operation cannot be obtained, see appropriate TESTS W/CODES article in ENGINE PERFORMANCE.
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.