car diagnosis

1996 NISSAN 300ZX
160,000 MILES • 6 CYL • AUTOMATIC
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FROGGIRL
  • MEMBER
  • 1 POST
1)96 nissan 300zx sounds loud above 50mph when giving gas 2)smoke came from under hood when running errands & turned engine off
Jun 13, 2011 at 4:24 PM
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KHLOW2008
  • ASE Certified Mechanic
  • 41,814 POSTS
  • ASE Certified Mechanic
Check the wheel bearings for the loud noise at speed.

Check for oil leakages that has gotten to the exhaust if the smoke smells as if oil is being burnt. If the smell is sweet smelling, check for coolant leakages.
Jun 13, 2011 at 8:41 PM
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