EGR valves

1992 TOYOTA 4RUNNER
316 MILES • 3.0L • V6 • 4WD • MANUAL
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BRETT MARCANTELLI
  • MEMBER
  • 1 POST
Do you need EGR valves?
Mar 17, 2017 at 3:58 AM
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HMAC300
  • CAR REPAIR CONTRIBUTOR
  • 48,601 POSTS
yes, it is for recycling exhaust gas back into engine to be re-burned to keep NOx down so it will help catalytic converter.
Mar 17, 2017 at 6:47 AM
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