DTCs=fail

Tiny
BENJAMINTHERERRIBLE
  • MEMBER
  • 2009 CHEVROLET COBALT
  • 2.2L
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 83,000 MILES
This car failed (Colorado) emissions test for the following DTCs:
p0010
P0011
P0013
P0014

I understand that these are camshaft position sensors. Does this mean I need to replace them? And is there a written procedure for it?
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Monday, July 15th, 2019 AT 4:27 AM

3 Replies

Tiny
STEVE W.
  • EXPERT
Welcome back. Those codes are indicating that the cam sensors are working but that the cams are both advanced farther than they should be. The most common reason for these codes is low or dirty oil as it causes the solenoids to stick. The first thing to do is check the oil level and/or if the oil hasn't been changed in a while, change it. Be sure to use the correct oil. If that doesn't do anything then the next step would be to use a scan tool to watch the cam timing as you disconnect and reconnect the actuators and see if the cams change in timing. If they do change but you still have the code it is more likely that you have a failing timing chain. If the cams don't change then you would replace the actuators and test again.
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Monday, July 15th, 2019 AT 8:45 AM
Tiny
BENJAMINTHERERRIBLE
  • MEMBER
Replaced both actuators. After several drive cycles, code has not returned. Thank you again!
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Saturday, September 7th, 2019 AT 7:35 AM
Tiny
STEVE W.
  • EXPERT
Thanks for the update. Glad to hear you got it sorted.
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Sunday, September 8th, 2019 AT 3:11 AM

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