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Why does a 1992 Elantra rev up and down while idling?

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2007-12-09 02:26:39
2007-12-09 02:26:39

# Vacuum leakage # Air filter clogged # Fuel pump not delivering sufficient fuel to the injectors # Leaking head gasket # Timing belt and/or pulleys worn # Camshaft lobes worn

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