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First, check your air filter and O2 sensor. Both probably need to be replaced. If the HC is up, change the plugs and wires too. If the vehicle is carburated you probably don't have an O2 sensor.

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โˆ™ 2005-11-26 00:33:09
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Q: What are some causes and remedies for an 86 Jeep Cherokee with a 28L V6 with a very high CO output?
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