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 MANUALSHONDA1985ACCORD SEI, STANDARDREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCESYSTEMAIR INJECTION SYSTEMCOMPONENT TESTINGVACUUM SWITCH C
1985 Honda Accord SEi, Standard
Vacuum Switch C
1985 Honda Accord SEi, StandardSECTION Vacuum Switch C
- Disconnect vacuum hose No. 14 to the control box from vacuum hose manifold and connect a vacuum pump. Remove control box from firewall. Remove control box cover.
- Check for continuity between vacuum switch C terminals. There should be continuity when vacuum more than 4 in. Hg is applied, and no continuity when vacuum is released.
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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.