REPAIR GUIDES
BECOME A MEMBER
Sign up with Facebook
OR
I agree to the
user agreement
LOG IN
Login with Facebook
OR
Remember me
NOT A MEMBER?
FORGOT PASSWORD?
☰
Home
GMC
Envoy
Trouble Codes
P Codes (Powertrain)
P0400 - P0499
P0411
Diagnostic code P0411 clear code light came back.
NOVATECH66
MEMBER
2008 GMC ENVOY
46,000 MILES
Diagnostic code p0411 clear code light came back on what check valve is sticking and where it would be I have a 08 gmc envoy with 4.2l
Do you
have the same problem?
Yes
No
Friday, November 2nd, 2012 AT 11:43 PM
1 Reply
RASMATAZ
MEMBER
P0411 Secondary Air Injection System Incorrect Flow Detected
The check valve is in the air supply line to prevent exhaust gases from entering the air pump-
SPONSORED LINKS
Was this
answer
helpful?
Yes
No
Friday, November 2nd, 2012 AT 11:55 PM
Please
login
or
register
to post a reply.
Related P0411 Content
Code Po410
I Had A Code Po410. Where Is The Location Of The Secondary Air Injection Pump On My 2004 Gmc Envoy With The 4.2l Inline 6? Thank You
Asked by
Jerry Stoltz
·
2 ANSWERS
2 IMAGES
2004
GMC ENVOY
Recommended Guides
Ask a Car Question. It's Free!
ADVERTISMENT
Code Read Retrieval/Clear
Code Read Chevrolet Blazer 1995-2005
Code Read Retrieval/Clear Chevrolet Camaro
Find a car manual for your car