1995 Honda Civic A little knock when revving fast

1995 HONDA CIVIC
150,000 MILES • 4 CYL • FWD • MANUAL
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PAUL R
  • MEMBER
  • 1 POST
I get this little knock if i rev fast only last for less then a second , car isn't smoking, car runs perfect ! when i rev slow nothing happens normal but when i push the gas pedal fast to rev it has this little knock .

What can this be ?
May 7, 2009 at 2:15 PM
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F4I_GUY
  • ✓Experienced Mechanic
  • 3,302 POSTS
Could be a motor mount, exhaust hitting somewhere, or a problem within the engine internally.

For example, it may be rod bearings, if these are knocking, it will sound like a deep hammering sound coming from the engine. Note that worn bearings will not cause the vehicle to smoke or burn oil excessively.
May 10, 2009 at 1:26 PM
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