Chevy

Chevrolet Repair Questions? Ask a Chevy Mechanic for Answers ASAP

Ask an Expert,
Get an Answer ASAP!

Related Chevy Questions
P0411. 2013 malibu. Changed the check valve and both o2
p0411 JA: What is the model/year of your Chevy? Customer: 2013 malibu JA: Are you fixing your Malibu yourself? What have you tried so far? Customer: yes changed the check valve and both o2 sensors JA:… read more
Dan
Dan
Technician
Vocational, Technical or Trade Scho
26,182 satisfied customers
P0411. 07 chevy cobalt. Eveything. I tried everything
p0411 JA: What is the make/model/year of your car? Customer: 07 chevy cobalt JA: Are you fixing your Cobalt yourself? What have you tried so far? Customer: eveything JA: Anything else you want the mec… read more
Ivan Alvarez
Ivan Alvarez
Automotive Technician
207 satisfied customers
2009 cobalt 2.2 P0411. Replaced air pump and check valve.
2009 cobalt 2.2 P0411. Replaced air pump and check valve. Air flow out of valve seems good. … read more
Chad Farhat
Chad Farhat
Owner
Associate Degree
5,715 satisfied customers
DTCs P0300, P0304, P2430. rough Idle, consistent, 2008
spark plugs, coil packs, fuel injector with new o rings … read more
Pete
Pete
Independent Auto Technician
Vocational, Technical or Trade Scho
138 satisfied customers
2009 malibu with jms throttle enhancer and p0411code with
2009 malibu with jms throttle enhancer and p0411code with replaced sec air pump. Solenoid and relay and pump turn on and off with solus tool.… read more
roy
roy
Associate Degree
3 satisfied customers
06 trailblazer... P0411 & P0455 codes , would not pass
would not pass inspection because of these codes. replaced check valve ,hoses,and air pump. still will not pass. … read more
Dave Nova
Dave Nova
Chevrolet Technician
Associate Degree
7,092 satisfied customers
Chevrolet Impala: chevy 2009 impala code every 30 miles of
chevy 2009 impala code every 30 miles of p0411 secondary air injector system incorrect flow........ What do I clheck first… read more
GM Tech (Cam)
GM Tech (Cam)
Chevy Technician
Vocational, Technical or Trade Scho
15,756 satisfied customers
Chevrolet Cobalt: I have a 08 colbalt and had replaces the
I have a 08 colbalt and had replaces the secondary injection valve on the back side of the engine and the air pump bc both codes were being thrown. The check engine turned off but about two weeks late… read more
eauto
eauto
self employed
High School or GED
74 satisfied customers
Chevrolet Trailblazer LT: i have a 2006 trailblazer and the
i have a 2006 trailblazer and the secondary air pump does not kick on when its suppose too. p0411 apears and i cant pass emissions.… read more
roy
roy
Associate Degree
3 satisfied customers
I have a GMC 2006 Envoy SLT (83K miles) with the MIL light on dash, trouble code P0411. T
I have a GMC 2006 Envoy SLT (83K miles) with the MIL light on dash, trouble code P0411. The Secondary Air Pump races when the car is first started, then settles down. We removed said pump and tested w… read more
Michael Moore
Michael Moore
Team leader, bumper to bumper tech.
Associate Degree
1,323 satisfied customers
2008 chevy impala: check engine light code..bench tested..burnt fuses
2008 chevy impala. check engine light code 411 which is the smog pump. I bench tested the smog pump which is working, and checked for burnt fuses. Is there a sensor that runs the pump, and if so where… read more
HondaPlatinum
HondaPlatinum
High School or GED
148 satisfied customers
2009 CHEVY TRAILBLAZER: I HOOKED A DIAGNOSTIC TESTER
I HOOKED A DIAGNOSTIC TESTER TO MY 2009 CHEVY TRAILBLAZER AND IT READ SECONDARY AIR INJECTION SYSTEM WITH FOUR DIFFERENT CODES THAT READ P2444, P2432, AND P2431. WHAT DOES THIS MEEN?… read more
Dodge expert
Dodge expert
ASE MASTER TECH, REPAIR FACILITY OWNER
High School or GED
3,636 satisfied customers
Chevrolet Silverado 2500 2001 duramax replaced all 8 injectors
2001 duramax replaced all 8 injectors per customer request for a smoking problem out the exhaust-not sure what color but had no fuel in the oil. After replacing injectors it is getting a extreme amoun… read more
Rmldaytona
Rmldaytona
ASE certified technician
College
1,050 satisfied customers
Injector..air flow..air pump or solenoid located..check engine light
where is the secondary air injector system air flow / pressure sensor - air pump or solenoid located ? I have check engine light on and codes P0411 & P2430 Is one unit? Thanks… read more
Jerry Newton
Jerry Newton
Vocational, Technical or Trade Scho
2,066 satisfied customers
2008 Chevy Impala- LT Vin; ZG1WT55N189ZZ0597 DIC; P0411 Engine
2008 Chevy Impala- LT Vin; ZG1WT55N189ZZ0597 DIC; P0411 Engine Light on. After a reset, the engine light stays off for a couple of days, then back on.… read more
rodcuda
rodcuda
Auto repair pro, 30 years experience
Associate Degree
74 satisfied customers
Impala: check engine light..air blower replaced twice
impala 2008 check engine light on. error code P0411 and code P0411 P/D. Had air blower replaced twice.… read more
heavy_chevy_396
heavy_chevy_396
Vocational, Technical or Trade Scho
2,518 satisfied customers
code p0411...secondary air sysem incorrect flow,pump working,relay
code p0411...secondary air sysem incorrect flow,pump working,relay working,what else can i check… read more
GM Tech (Cam)
GM Tech (Cam)
Chevy Technician
Vocational, Technical or Trade Scho
15,756 satisfied customers
2007 chevy cobalt: warranty..the check engine light..pressure sensor
i have a 2007 chevy cobalt, i am just past my 3 year warranty period and the check engine light is on, the code is p2431 secondary air injection system pressure sensor signal performance fault… read more
eauto
eauto
self employed
High School or GED
74 satisfied customers
Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

JustAnswer in the News:

Ask-a-doc Web sites: If you've got a quick question, you can try to get an answer from sites that say they have various specialists on hand to give quick answers... Justanswer.com.
JustAnswer.com...has seen a spike since October in legal questions from readers about layoffs, unemployment and severance.
Web sites like justanswer.com/legal
...leave nothing to chance.
Traffic on JustAnswer rose 14 percent...and had nearly 400,000 page views in 30 days...inquiries related to stress, high blood pressure, drinking and heart pain jumped 33 percent.
Tory Johnson, GMA Workplace Contributor, discusses work-from-home jobs, such as JustAnswer in which verified Experts answer people’s questions.
I will tell you that...the things you have to go through to be an Expert are quite rigorous.

What Customers are Saying:

I was having a terrible problem with the wheel bearings on my 98 Chevy Cavalier and I suspect that using this website saved me plenty of time and money.

Todd LRochester NY

Wonderful service, prompt, efficient, and accurate. Couldn't have asked for more. I cannot thank you enough for your help.

Mary C.Freshfield, Liverpool, UK

This expert is wonderful. They truly know what they are talking about, and they actually care about you. They really helped put my nerves at ease. Thank you so much!!!!

AlexLos Angeles, CA

Thank you for all your help. It is nice to know that this service is here for people like myself, who need answers fast and are not sure who to consult.

GPHesperia, CA

I couldn't be more satisfied! This is the site I will always come to when I need a second opinion.

JustinKernersville, NC

Just let me say that this encounter has been entirely professional and most helpful. I liked that I could ask additional questions and get answered in a very short turn around.

EstherWoodstock, NY

Thank you so much for taking your time and knowledge to support my concerns. Not only did you answer my questions, you even took it a step further with replying with more pertinent information I needed to know.

RobinElkton, Maryland

< Previous | Next >

Meet the Experts:

GM Tech (Cam)

GM Tech (Cam)

Chevy Technician

15,756 satisfied customers

GM Grand Master Technician 2007. 14 years experience.

Gary

Gary

Chevy Technician

9,642 satisfied customers

15 years GM master tech

Tim&#039;s Auto Repair

Tim's Auto Repair

mechanic

8,884 satisfied customers

Have owned a repair shop for 25 yrs.

Dave Nova

Dave Nova

Chevrolet Technician

7,092 satisfied customers

ASE Master Certification. GM World Class Certification

John

John

Master A.S.E Automotive technician

4,071 satisfied customers

A.S.E MasterTechnician A1-A8 w/L1,38 years experience General Motors Master Technician

Don - Mo Lurch

Don - Mo Lurch

Auto Mech / Electronics

2,953 satisfied customers

Chevrolet Cert., Heavy Line Mech, Race Shop Owner, Mobile Electronics.

Ron Z.

Ron Z.

- Chevy Tech -

2,836 satisfied customers

18+yrs experience. State Inspector and Chevy Diagnostics

< Previous | Next >

Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

Show MoreShow Less

Ask Your Question

x