Validity
This Executive Order approved the specified parts on on May 15, 1997.
As of Tuesday, September 17th, 2024 this Executive Order has not been overturned or superceeded.
This Executive Order approved the specified parts on on May 15, 1997.
As of Tuesday, September 17th, 2024 this Executive Order has not been overturned or superceeded.
Models | Modification |
---|---|
1995 and older model year vehicles EXCEPT those equipped with On-Board Diagnostic II (OBD II) and/ or Enhanced Evaporative Control Systems. | Tubing from the PCV valve is connected to a perforated railing that is partially submerged in a solution of dihydroxypropane and purified water. Vapor from the solution enters the engine through the PCV system. |