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.
1986 Mitsubishi Starion ESI-RFACTORY OEM SERVICE PROCEDURE
All Other Models
- With engine idling, remove PCV valve from valve cover and place finger over valve inlet. A strong vacuum should be felt.
- Turn ignition off and remove PCV valve from valve cover.
- Blow into threaded end of PCV valve. If air will not flow, remove PCV valve and hose and clean with appropriate solvent to remove obstruction. Retest after cleaning.
Factory Service Tools
Use the Manual With the Right Hardware
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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.