1994 Hyundai Coupe Car Starts Back Fire After 110km H U Only Drive 60km H

1994 HYUNDAI GENESIS COUPE
224,341 MILES
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SATS
  • MEMBER
  • 1 POST
The car starts to back fire after 110km/h and then u can only drive it at 60km/h. I have changed the fuel pump, plug wires, plugs, coil, and checked the cam belt the problem is still there help thanks
Jan 4, 2013 at 1:30 AM
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KHLOW2008
  • ✓Experienced Mechanic
  • 41,812 POSTS
Any trouble codes? Was the exhaust system checked for clogging?
Jan 4, 2013 at 5:03 AM
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