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.
1983 Volvo 242 GLT, AutomaticFACTORY OEM SERVICE PROCEDURE
4-Cylinder Non-Turbo Vehicles
- Connect ohmmeter between ground and terminal "3". Depress accelerator pedal. Meter should show zero resistance in idle position and infinite resistance in other positions.
- Connect ohmmeter between ground and terminal "12". Depress accelerator pedal. Meter should show zero resistance in full throttle position and infinite resistance in other positions.
- If incorrect, check throttle valve switch ground at intake manifold. If ground connection is okay replace throttle valve switch.
Factory Service Tools
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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.