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Engine Light Flashing After Purge Valve Replacement

Tiny
CHRIS HANNACK
  • MEMBER
  • 2008 CADILLAC CTS
  • 6 CYL
  • AWD
  • AUTOMATIC
  • 101,000 MILES
My check engine light has been on for a while, and I was told it was because of a faulty purge valve, and that it was not really serious. I finally got around to replacing it (did it myself, but seemed fairly straight forward). I took it out for a drive, and after about ten minutes, I could feel the car pulse slightly, almost like I was letting off the gas, and the check engine light started blinking, but only for a few seconds. Any idea what could have caused this?
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Wednesday, August 10th, 2016 AT 7:29 PM

3 Replies

Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
You have to have the code erased after changing a part and that may be the problem. Get it erased then start over.
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Thursday, August 11th, 2016 AT 6:08 AM
Tiny
CHRIS HANNACK
  • MEMBER
  • 2 POSTS
I took it in, and it came up with P0014 and P0024, which show as both cam shaft issues. Not sure why this would happen after replacing a purge valve.
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Thursday, August 11th, 2016 AT 1:19 PM
Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Could be it jumped time or chain is stretched.
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Thursday, August 11th, 2016 AT 3:58 PM

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