1998 Honda Accord Making noise and feels like going over bu

1998 HONDA ACCORD
12,000 MILES • 4 CYL • 2WD • AUTOMATIC
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SBALDUFF
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  • 3 POSTS
My car will make a noise similar to a small hole in the exhaust when going approximately 25-35 MPH. Sometimes, it will also feel like I'm going over a bumpy road at the same time. Could this possibly be the o2 sensor? I recently changed the spark plugs, and know that they are all working fine. Any suggestions?
Oct 28, 2010 at 4:33 AM
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KHLOW2008
  • ✓Experienced Mechanic
  • 41,812 POSTS
Hi sbalduff,

The O2 sensor would not cause such problems.

Is the Check Engine Lamp indicating?

The EGR would be more likely to cause the symptoms described.
Oct 28, 2010 at 6:43 AM
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SBALDUFF
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Thanks for the response.

The check engine light is not on.

Sorry, to sound stupid, but what is the EGR?
Oct 28, 2010 at 6:49 AM
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KHLOW2008
  • ✓Experienced Mechanic
  • 41,812 POSTS
Exhaust Gas Recirculation. The EGR valve is located on top of intake manifold at # 4 cylinder. Solenoid is located at firewall, slightly right of center of vehicle.
Oct 28, 2010 at 6:54 AM
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SBALDUFF
  • MEMBER
  • 3 POSTS
Thanks for the advice. I'll check it out.
Oct 28, 2010 at 11:36 PM
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