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 MANUALSTOYOTA1988TERCEL BASE, 2D HATCHBACK, STANDARDREPAIR AND DIAGNOSISENGINE PERFORMANCESYSTEMEGR SYSTEMCOMPONENT TESTINGVACUUM CONTROL VALVE (VCV)PICKUP (TURBO)
1988 Toyota Tercel Base, 2D Hatchback, Standard
Pickup (Turbo)
1988 Toyota Tercel Base, 2D Hatchback, StandardSECTION Pickup (Turbo)
- Using vacuum pump, apply 1.18 in. Hg to port "S". See Figure. With vacuum applied air should be drawn in at port "Z". Remove vacuum supply.
- Apply air pressure at port "Z". Air should escape through air filter. Replace valve assembly if defective.
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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.