Rick's Free Auto Repair Advice

Posts Tagged: new catalytic converter break in period

Catalytic Converter Break in

How to do a break-in procedure on a Catalytic Converter When you replace a catalytic converter, you must conduct a special catalytic converter break in procedure. If you skip this step, you’ll destroy the new converter. Here’s the catalytic converter break-in procedure: • Start the vehicle, but do not rev the engine; • Idle the vehicle and allow it to warm up slowly; • After 5 minutes, increase the engine speed to 2500 rpm; • Hold at 2500 rpm for 2 minutes; and • Allow vehicle to cool down completely. … Read More


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