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Home >> Lexus >> 1998 >> GS 400 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - System/Component Tests >> Emission Systems & Sub-Systems >> Exhaust Gas RECIRCULATION (EGR) System >> Notes
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Exhaust Gas RECIRCULATION (EGR) System: Notes

NOTE: DO NOT  warm the engine until specified. Some testing must be performed when engine is cold.
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