1992 Volvo 960 check enigine codes 223 and 232

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J.DUNC
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  • 1 POST
1992 Volvo 960 6 cyl Two Wheel Drive Automatic
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i just had a new head and cam put in my car now there is a lifter tapping noise and the check engine light came on with codes 223 and 232 i found 3 vacuum leaks and i fix them. i need to know what the codes are and how to clear them
Jul 8, 2008 at 8:15 AM
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KHLOW2008
  • ✓Experienced Mechanic
  • 41,812 POSTS
Hi j.dunc,

223 = No idle valve signal.
232 = Lamda rich/lean at idle.

Check the idle valve for functionability and wiring socket connections.
Aug 2, 2008 at 10:12 PM
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