Check engine light

Tiny
BRUCE KNUTTER
  • MEMBER
  • 1999 VOLVO C70
  • 5 CYL
  • FWD
  • AUTOMATIC
  • 106,000 MILES
I have 2 codes: P1618 and P0722. I think both are related to an output shaft speed sensor. My speedometer and cruise control work fine. Any suggestions?
Monday, August 22nd, 2011 AT 8:23 PM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,328 POSTS
You need to check them. Check for corrosion or damage to the wiring that could cause the light to come on. However, the sensor itself could be bad and the speedo still work.
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Sunday, September 4th, 2011 AT 4:58 AM

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