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My 1997 Dodge Ram Van Is Blowing Black Smoke And Has No Pick Up Sometimes, Can You Help?

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    Try a on board computer diagnostics test. It will flash the check engine light in a series of flashes that will net you know if a sensor is stuck. Black smoke is LOADED up or rich ... Turn the key ON,OFF,ON,OFF,and ON within 3 seconds and sit back and count the flashes. The light will start with "for example" ..........FLASH pause FLASH FLASH long pause then continue on with two digit codes referencing different emmision components on the vehicle. Then search for OBD codes on the web. MAke sure you find the right codes or it might mis lead you to believe you are running lean?
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    Rob123456 

    answered 1 year ago

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