Do you need EGR valves?
Mar 16, 2017 at 8:58 PM
EGR valves
BRETT MARCANTELLI
- MEMBER
- 1 POST
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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 16, 2017 at 11:47 PM
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