Check Spark Plug, Wires, and Ignition System. The following Igniton Components, if defective, can damage a converter:

• Cracked Distributor
• Faulty Coil
• Faulty Spark Plug Wires
• Fouled Plugs
• Faulty Rotor

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Check Timing and Idle Adjustments

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Check Air/Fuel Adjustments

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If the CO reading is high, Click HERE.

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If the HC reading is high, Click HERE.

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Otherwise, Click HERE.