The car may not be approved at the "car approval station". Maybe you can clean it from soot, it depends on what car you own. EGR= Exhaust Gas Recirculation. It is good for the environment.
how much does it cost to replace to egr valve on the 2002 mazda protege
It is best to replace it. The failure happens in the electrical part of the valve, not the pintle and seat.It is best to replace it. The failure happens in the electrical part of the valve, not the pintle and seat.
Usually you replace the egr valve.
location of egr valve on 04 grand am v6
How do you replace the EGR Valve on a 2001 Ford Escape?
You unscrew the bolts.
You replace the EGR valve.
Remove the wiring harness from your 2000 Dodge Stratus EGR valve. Remove the EGR valve retaining screws. Reverse the process to install the new EGR valve.
That's your EGR valve flow is insufficient. Replace the EGR valve.
A 1998 Dodge Ram does not have EGR.
when it starts leaking
replace the egr valve