1995 Nissan Sentra

84,000 MILES • 4 CYL • FWD • AUTOMATIC
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MIKIEGIG
  • MEMBER
  • 1 POST
what is a EGR vavle? what is its function?what happens if it is not replaced?
Dec 11, 2008 at 1:54 AM
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BUDDYCRAIGG
  • ✓Experienced Mechanic
  • 2,262 POSTS
Exhaust Gas Recirculation is a nitrogen oxide emissions reduction technique used on engines starting in the late 60s.

You probably wont do any damage to your engine without it, but your computer may not be happy.
Dec 11, 2008 at 8:14 AM
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