I recently bought a 91 shortbed, 2.3 5 speed. The check engine light is on so I had auto zone scan it for me. Codes were 18 41 and. Does anyone have a list of what those mean. I don't remember what they told me. One of them had to do with the tach(it doesn't read right). Something about the spout being grounded. Anyone else had this problem?

Thanks

Trevor in MO
91 shortbed

 

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