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Check engine light and persistent codes on 1993 940 non turbo

posted by  mdgarrett on  Wed Nov 10 15:04 CST 2004
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I keep getting error codes about the knock sensor signal and air temp sensor signal being faulty or missing. I've replaced both sensors and the check engine light comes back on after a couple of days. Any suggestions on what the problem might be?






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New Check engine light and persistent codes on 1993 940 non turbo
posted by  mdgarrett  on Wed Nov 10 15:04 CST 2004 >


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