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 MANUALSVOLKSWAGEN2002GOLF GLS, 2.0 K, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 216 (EGR FUNCTION TESTING - VOLKSWAGEN)EGR FUNCTION TESTING - VOLKSWAGENTEST 21975-79 DASHER
2002 Volkswagen Golf GLS, 2.0 K, Standard
1975-79 Dasher
2002 Volkswagen Golf GLS, 2.0 K, StandardSECTION 1975-79 Dasher
WARNING: This page does not describe the selected car, but rather 125 other vehicles, including the 2010 Volkswagen Routan, 2009 Volkswagen Routan, 2002 Volkswagen Cabrio, 2001 Volkswagen Cabrio, and 2000 Volkswagen EuroVan. However, it is still accessible from the selected car via links, so may be relevant.
- Warm engine to normal operating temperature. Disconnect vacuum hose from distributor retard diaphragm and temporarily connect this hose to EGR valve.
- Engine should run rough or stall if EGR valve is working properly. If engine does not run rough or stall, check for clogged EGR ports or for faulty EGR valve.
- To check vacuum booster, connect vacuum gauge between vacuum booster and throttle valve port. With engine at idle, vacuum reading should be 2-4 in. Hg. If vacuum reading is not specified, check throttle valve port for blockage.
- With specified vacuum obtained, connect vacuum gauge between vacuum booster and temperature control valve. Vacuum gauge reading should be 2-4 in. Hg. If vacuum reading is not as specified, replace vacuum booster.
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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.