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 MANUALSMITSUBISHI2004ECLIPSE L4-2.4L SOHCREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTEMISSION CONTROL SYSTEMSEVAPORATIVE EMISSIONS SYSTEMREFUELING VAPOR RECOVERY SYSTEMREFUELING CONTROL VALVETESTING AND INSPECTION
2004 Mitsubishi Eclipse L4-2.4L SOHC
Refueling Control Valve: Testing and Inspection
2004 Mitsubishi Eclipse L4-2.4L SOHCSECTION Testing and Inspection
INSPECTION
ORVR VENT VALVE MODULE CHECK

1. Blow air through ORVR vent valve module nipple (A). Check that the air flows out of nipple (B) and nipple (C).

2. Connect a hand vacuum pump to nipple (A) of the orvr vent valve module.
3. With air flow through nipple (C) obstructed, apply a vacuum and check that the vacuum is maintained.


4. Check air tightness by applying a vacuum with voltage applied directly from the battery to the orvr vent valve module and without applying voltage.

5. Measure the resistance between the terminals of the solenoid.
Standard value: 17 - 21 Ohm [at 20 °C (68 °F)]
6. Replace orvr vent valve module if resistance is out of specification
ORVR VENT VALVE MODULE CHECK
1. Blow air through ORVR vent valve module nipple (A). Check that the air flows out of nipple (B) and nipple (C).
2. Connect a hand vacuum pump to nipple (A) of the orvr vent valve module.
3. With air flow through nipple (C) obstructed, apply a vacuum and check that the vacuum is maintained.
4. Check air tightness by applying a vacuum with voltage applied directly from the battery to the orvr vent valve module and without applying voltage.
5. Measure the resistance between the terminals of the solenoid.
Standard value: 17 - 21 Ohm [at 20 °C (68 °F)]
6. Replace orvr vent valve module if resistance is out of specification
RENDER: 1.0x
NO RELATED
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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.