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 MANUALSVOLVO1993960 4D WAGON, AW30-43REPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCESYSTEMENGINE CONTROLS - TESTS W/CODESFAULT CODE TESTINGCODE 2-3-3 (IDLE CONTROL NOT IN RANGE)
1993 Volvo 960 4D Wagon, AW30-43
Code 2-3-3 (Idle Control Not In Range)
1993 Volvo 960 4D Wagon, AW30-43SECTION Code 2-3-3 (Idle Control Not In Range)
- If control unit has to open or close idling valve too much to maintain constant idling conditions, control unit will interpret this as a fault and record a fault code.
- Start engine, and run it until it reaches normal operating temperature. Ensure gear selector is in Neutral and A/C is off. To determine whether an air leak is present, clamp air valve hose and observe engine speed. If engine speed exceeds 600-700 RPM, air leakage is present or throttle disc is incorrectly adjusted.
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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.