Why Do Converters Fail?

Converters don’t fail on their own. Converter failure is usually an indication of a larger problem. For instance, a faulty fuel injector can inject too much fuel into an engine. This raw fuel will make its way to the converter, causing the converter to overheat. Left unchecked, this overheating will melt the brick in the converter, rendering the converter useless.

There are a number of additional reasons for converter failure, and a variety of common engine management components that should be checked when replacing a converter.

Overheated, Melted or Broken

• Throttle Body Injector
• Fuel Injectors
• Throttle Position Sensor (TPS)
• Mixture Control Solenoid
• Idle Speed Control Motor

Coated / Oil-Fouled Substrate

• Engine Coolant Temperature Sensor (ECT)
• EGR Valve Position Sensor
• Head Gasket

High NOx, Exhaust Emissions

• Front Oxygen Sensors
• Air Charge Temperature Sensor (ACT)
• Idle Air Control Valve (IAC)
• Canister Purge Valve
• Manifold Absolute Pressure Sensor (MAP)

Road Damage

• Speed bumps
• Road Debris
• Potholes / Pavement Deterioration

The OBDII system and converter failure

OBDII is an engine management system that incorporates sensor items included in the emissions failure checklist to constantly monitor and adjust engine performance. The OBDII system helps identify the causes of catalytic converter failure.

At Mac Auto Parts we sell tons of Direct Fit Catalytic Converters to solve your problems.  Here is the link to see our large selection of Converter.  http://stores.ebay.com/Mac-Auto-Parts-and-Accessories_Catalytic-Converters_W0QQcolZ4QQdirZQ2d1QQfsubZ3QQftidZ2QQtZkm

Mac Auto Parts

315 Boston Post Road

Port Chester, NY 10573

800 209 9598