OBDII AFTERMARKET CONVERTER REPLACEMENT POLICY
Late model (generally 1996 and later) cars and trucks have On-Board Diagnostic (OBDII) systems designed to detect catalyst failures. These vehicles often use two or more catalytic converters and have oxygen sensors in front and behind one or more of the converters. In nearly all cases, these sensors are located in the exhaust pipe. The vehicle's on-board computer compares the oxygen sensor signals before and after the converter(s) to determine if the converter is working correctly.
CARB CALIFORNIA OBDII
MagnaFlow's California OBDII 40000 Catalytic Converters are the first series of a new line of converters designed for use on vehicles equipped with Second Generation On-Board Diagnostic (OBDII) systems. They are designed, tested, and catalogued for specific vehicles. They are not traditional universal converters. These converters have higher efficiency than conventional strict California requirements for conversion efficiency and durability. These converters are warranted for 5 years or 50,000 miles on the converter body and 5 years on the performance of the internal catalyst, including replacement for OBDII diagnostic codes for low catalyst efficiency.
**Effective 1-1-2009, ALL California vehicles will no longer be based upon G.V.W. (Gross Vehicle Weight) and engine size. California Application look-up is the only approved method for determining the correct part number for ALL California Vehicles. It is illegal in California to select a catalytic converter for installation based solely on vehicle weight, engine size, physical shape, size, configuration or pipe diameter. To learn more about California Catalytic Converter Laws click HERE.
EPA NATIONAL
Outside California, traditional aftermarket converters may be used on OBDII vehicles as long as the following guidelines are followed:
- The original converter is defective as shown by emission tests, the OBDII system or the converter is physically damaged, and the converter is no longer covered by the OEM vehicle warranty.
- The aftermarket converter is selected based on the vehicle weight, engine size, and physical fit.
- The location of the oxygen sensor(s) must be the same as in the OEM exhaust system and CANNOT be relocated.
- After hanging the converter, the diagnostic codes should be cleared according to the vehicle manufacturer's procedure, otherwise the on-board computer may immediately turn on the Check Engine Light.
- Aftermarket catalytic warranty terms and conditions remain unchanged as stated on the warranty certificate.
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