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Old 11-02-2008, 09:38 AM
Junior Member
Join Date: Aug 2007
Location: Athol, Massachusetts
Posts: 21
Default Check Engine Light & Codes


I have check engine light on always. Codes are:

1) PO722, output shaft speed sensor circuit no signal
2) P1618 , manufacturer cntrld computer output ....

Does anyone know what these mean and what the remedies are.

Any help appreciated.


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Old 11-02-2008, 05:54 PM
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Join Date: Sep 2004
Location: Orlando, Florida
Posts: 36,443
Default RE: Check Engine Light & Codes

Is the ABS light on as well?

The 1618 might be an ETM code. You need to get someone to read it in Volvo codes.
1987 Ford mustang LX Coupe 5.0
1995 Yellow T5-RM running
1996 850 turbo
1994 N/A 5-speed wagon Purple (daughters)
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