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.
1984 Volvo 242 GLT, AutomaticFACTORY OEM SERVICE PROCEDURE
Throttle Switch
- Turn ignition off. Connect an ohmmeter between ground and terminal 3. Depress the accelerator pedal. Meter should show 0 ohms in idle position and infinite resistance in other positions.
- Connect ohmmeter between ground and terminal 12. Depress accelerator pedal. Meter should read 0 ohms in full throttle position and infinite resistance in other positions.
- If any readings are incorrect, check throttle valve switch ground at intake manifold. If ground connection is correct, replace throttle valve switch.
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.
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.