2002 Toyota Celica check engine light

Tiny
ADBURNETTE
  • MEMBER
  • 2002 TOYOTA CELICA
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 80,000 MILES
Was scanned @ auto zone and has a code p1693. They didn't know what it was for. About to have to do emisions will that affect it?
Monday, February 11th, 2008 AT 12:51 PM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
You'll fail if the light don't come On during the bulb test and also On during engine run.

OBD2 1993 indicates a problem with the oil control valve(OCV)for the variable valve timing(VVT)system, this valve controls oil pressure to the variable cam timing system and the best way to check it is to connect a scantool to perform a test of the valve using the active test method, the toyota dealer can do this
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Monday, February 11th, 2008 AT 1:05 PM

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