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p410 emission code secondary air pump


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lightfoot
New User

Jan 15, 2014, 4:56 PM

Post #1 of 4 (2193 views)
  post locked   p410 emission code secondary air pump  

2004 gmc envoy 4.2 v6 86k p410 code replaced secondary air pump and air pump solenoid relay pump will not work checked voltage at relay which is good problem is no ground coming from brown wire which goes to PCM to close relay to make pump run


Discretesignals
Ultimate Carjunky / Moderator
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Jan 15, 2014, 4:59 PM

Post #2 of 4 (2189 views)
  post locked   Re: p410 emission code secondary air pump  

Need to have someone or a shop connect up a high end scan tool that has bidirectional capability to see if they can command the air pump on while checking the voltage on that circuit. They should also check for any related trouble codes that could be inhibiting the air injection system from running.





Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.


lightfoot
New User

Jan 26, 2014, 8:16 AM

Post #3 of 4 (2122 views)
  post locked   Re: p410 emission code secondary air pump  

p410 code fixed reflashed pcm twice air pump and air solenoid working perfect thank you for your help[reply][;)]


Discretesignals
Ultimate Carjunky / Moderator
Discretesignals profile image

Jan 26, 2014, 8:30 AM

Post #4 of 4 (2118 views)
  post locked   Re: p410 emission code secondary air pump  

Glad to read you got your problem resolved. Thanks for the follow up Wink Thread closed as solved. Can be reopened upon request by the OP.





Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.






 
 
 






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