Have questions? Give us a call at 1-80 and we’d be happy to help.ĬA Approved Catalytic Converter Catalytic Converter WARNING:Ĭatalytic Converters are emission control devices that are designed to last the life of the vehicle, do not normally require replacement without cause. To find the right catalytic converter for your vehicle, CLICK HERE! If the gauge doesn’t return to a similar reading as it showed when idling, or it is very slow to do so, the converter could be faulty. Then, rev the engine to 2,500 RPM (a helper will make this easier) and observe the measurement again. When the engine is idling, hook up a vacuum gauge to the intake manifold and record the reading.
Engine vacuum: If there is no check engine light on or your vehicle was built before 1996 (pre-OBDII), then an engine vacuum test may be necessary if there are other warning signs.A large temperature difference can result from a clogged converter that traps exhaust gasses and makes it less efficient. If there is a big difference (at least 100 degrees), then the converter may need to be replaced. Exhaust temperature: Once the engine is up to normal operating temperature, measure the exhaust temperature directly, before and after the converter, using an infrared thermometer.
If you don’t have the tools or the inclination, then an auto repair/muffler shop, dealer or mechanic can perform these tests for you.
If any of the warning signs are present, then two at-home tests may help identify a bad catalytic converter.
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