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What is the catalyst monitor on a 1998 Ford Expedition emissions readiness test?

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βˆ™ 2007-10-10 01:17:15

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a catalytic converter is something that attaches to the cars exhaust, usually attached right to the engines exhaust manifold. It's purpose is to finish burning unburned, or partially burned fuel. It uses accelerants in order to do this. as such it's full of many precious minerals such as gold and platinum which is why they are so expensive.

The catalyst monitor is a system that uses two oxygen sensors. one before the catalytic converter and one after. By using these two sensors the catalyst monitor system can determine if the converter is properly doing it's job. this system can throw a check engine light code usually for a bad converter or one or both of the oxygen sensors is bad.

2007-10-10 01:17:15
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Q: What is the catalyst monitor on a 1998 Ford Expedition emissions readiness test?
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