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CATALYTIC CONVERTER BASICS DIAGNOSTICS & TESTING

A P0420 or a P0430 (Bank 2), are indicators that the converter may not be functioning properly, but are not the end of the diagnosis.

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CATALYTIC CONVERTER BASICS DIAGNOSTICS & TESTING

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  1. BASICS Of CATALYTIC CONVERTER FAILURE

  2. Intake leak • Exhaust leak • Fuel Injector leakage • Defective front O2 sensor • Defective Mass Air Flow Meter (MAF) • Defective Coolant Temperature Sensor (ECT) • Defective Manifold Absolute Pressure Sensor (MAP)

  3. Here are the more common contaminants that will affect Oxygen and Converter performance: • Oil – Bad rings or Valve seals • Sulfur – found in some low quality gasolines • Silicone – found in most Gasket sealants unless marked “O2 sensor safe” • Coolant – damaged head gaskets or Intake plenums

  4. CONVERTER REPLACEMENT TIPS • Choose the right converter through application look-up. • Replacement converter should be in same position as OE. • Install all Oxygen Sensors as close to OE position as possible • Maintain all heat shields for proper converter Light-off • Always check for leaks after repairs

  5. ONVERTER WARRANY & RETURN INFO California Warranty: 5 years or 50,000 miles on the entire Catalytic Converter 9 States Warranty: 2 years or 25,000 on the internal components, 5 years or 50,000 on the external components.

  6. For More Details Visit http://www.catalyticconverterusa.com/

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