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 MANUALSCHEVROLET1995SPORTVAN G20, 6.5 PREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 41 (ENGINE CONTROLS - SYSTEM/COMPONENT TESTS - 2.2L)EMISSION SYSTEMS & SUB-SYSTEMSEXHAUST GAS RECIRCULATION (C-7)SYSTEM TEST (VACUUM-CONTROLLED VALVE)
1995 Chevrolet Sportvan G20, 6.5 P
System Test (Vacuum-Controlled Valve)
1995 Chevrolet Sportvan G20, 6.5 PSECTION System Test (Vacuum-Controlled Valve)
WARNING: This page is about a different car, the 1995 GMC Sonoma and 1995 Chevrolet S10 Pickup. However, it is still accessible from the selected car via links, so may be relevant.
Start and run engine to normal operating temperature. With engine at idle, RPM should drop as EGR valve is opened by pushing up on underside of EGR diaphragm.
CAUTION:
Wear gloves when handling hot EGR valve.
RENDER: 1.0x
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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.