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Home >> Hyundai >> 1992 >> Excel GL, Standard >> Repair and Diagnosis >> Engine Performance >> Emissions >> EGR Function Testing - HYUNDAI >> EGR Function Testing - HYUNDAI >> Test 4 >> Sonata

Test 4: Sonata

Remove EGR valve and inspect for carbon deposits. Ensure valve is not sticking. Apply vacuum to valve and check for leaking diaphragm. Check air flow through valve with vacuum applied.

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