Can They Outlaw Hot Rods?
Does the Prius C have an EGR circuit or not?
Took off the EGR Cooler the other day to clean. Most intensive job I've done on this car, but 10mpg increase when finished with very slight flow. Still needs to be replaced
CEL Diagnostic/Repair P2457 - Exhaust Gas Recirculation Cooling System Performance
egr is leaking, do i need to replace it?
Will a bad EGR valve cause a misfire? - Page 2 - YotaTech Forums
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The OBD Killer is the definitive solution for OBD fault codes P0401 (EGR), P0420 (Cat) and many more.
Ducato - Ducato twin EGR Engine with P0401 Code (2016 to 2019)
SOLUTION DEFINIVITE EGR
Toyota Engine Codes - P0401
What's Your Choice: EGR, or SCR