1994 Hyundai Coupe Hyundia Scoupe 1 5 12v Car Starts Back Fire Under Load

1994 HYUNDAI GENESIS COUPE
243,165 MILES
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1994 Hyundia scoupe 1.5 12v the car starts to back fire when under load I have changed the plug wires , coil, plugs and fuel pump but have no joy please help!
Jan 4, 2013 at 9:38 AM
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