Chevy

Chevrolet Repair Questions? Ask a Chevy Mechanic for Answers ASAP

Ask an Expert,
Get an Answer ASAP!

Codes p1404 and p0404 runs sluggish but clears out after…

Customer Question
Codes p1404 and p0404...

Codes p1404 and p0404 runs sluggish but clears out after like 45mph when u let of gas a little..changed egr valve same problem

Mechanic's Assistant: Has the vehicle turned into a gas hog? And how does it start -- same as usual?

Yes gas hog and seems to start the same

Mechanic's Assistant: What is the model/year of your Chevy?

2001 chevy monte carlo 3.8 litre

Mechanic's Assistant: Are you fixing your Monte Carlo yourself? What have you tried so far?

Replaced egr valve no difference

Mechanic's Assistant: Anything else you want the mechanic to know before I connect you?

Is it possibly a catalytic converter ?

Submitted: 7 months ago.Category: Chevy
Show More
Show Less
Ask Your Own Chevy Question
Answered in 8 minutes by:
10/3/2017
Chevy Mechanic: Gary, Chevy Technician replied 7 months ago
Gary
Gary, Chevy Technician
Category: Chevy
Satisfied Customers: 17,901
Experience: 15 years GM master tech
Verified

Welcome! My name is ***** ***** I will do my best to assist you with this problem.Ask me about added features such as phone contact anytime if you wish !

Ask Your Own Chevy Question
Chevy Mechanic: Gary, Chevy Technician replied 7 months ago

how long before it resets the codes ?

Ask Your Own Chevy Question
Was this answer helpful?
Ask GM Tech (Cam) Your Own Question
GM Tech (Cam)
GM Tech (Cam)
GM Tech (Cam), Chevy Technician
Category: Chevy
Satisfied Customers: 15,529
15,529 Satisfied Customers
Experience: GM Grand Master Technician 2007. 14 years experience.

GM Tech (Cam) is online now

A new question is answered every 9 seconds

How JustAnswer works:

  • Ask an ExpertExperts are full of valuable knowledge and are ready to help with any question. Credentials confirmed by a Fortune 500 verification firm.
  • Get a Professional AnswerVia email, text message, or notification as you wait on our site. Ask follow up questions if you need to.
  • 100% Satisfaction GuaranteeRate the answer you receive.

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

15,529 satisfied customers

GM Grand Master Technician 2007. 14 years experience.

Gary

Gary

Chevy Technician

17,901 satisfied customers

15 years GM master tech

Tim&#039;s Auto Repair

Tim's Auto Repair

mechanic

8,866 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

2,918 satisfied customers

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

Ron Z.

Ron Z.

- Chevy Tech -

2,734 satisfied customers

18+yrs experience. State Inspector and Chevy Diagnostics

< Previous | Next >

Related Chevy Questions
How much should it cost to replace a catalytic converter on
How much should it cost to replace a catalytic converter on a 2004 Chevy Suburban?… read more
Ron Z.
Ron Z.
- Chevy Tech -
Vocational, Technical or Trade Scho
2,734 satisfied customers
Chevrolet Equinox LS Hello. I have a p0420 catalytic converter
Hello. I have a p0420 catalytic converter error on my chevy equinox 2006, do i have to change the catalytic converter or maybe it's another issue? thanks… read more
zzdaryl
zzdaryl
Lead Auto Tech
Some college and advanced training
4 satisfied customers
How do you replace the transmission fluid in a 2005
How do you replace the transmission fluid in a 2005 trailblazer… read more
Bob
Bob
Vocational, Technical or Trade Scho
2,784 satisfied customers
Need new catalytic converter. Looked under truck to find the
Need new catalytic converter. Looked under truck to find the muffler is before the cat and the connecting flange is cut off by Midas a few years ago. Can I mount the cat behind the muffler, and how to… read more
David Craig
David Craig
OWNER/MECHANIC
Associates
5,278 satisfied customers
Rotten egg smell, was told its the catalytic converter but
rotten egg smell, was told its the catalytic converter but not sure.. while doing a steady 30mph+ truck seems to skip and sounds like its dogging out … read more
Pete
Pete
Mechanic
Construction, Plant Fitter
136 satisfied customers
My catalytic converter went on my 2008 Impala I think
My catalytic converter went on my 2008 Impala I think because I had a wiring problem that made the fuse blow that controlled the circuit for the O2 sensors. Also I had a AIR valve that was stuck in th… read more
Chris (aka - Moose)
Chris (aka - Moose)
Vocational, Technical or Trade Scho
108 satisfied customers
My catalytic converter failed a couple of years ago. I think
My catalytic converter failed a couple of years ago. I think it was a combination of a stuck AIR valve and a wiring problem that kept causing the fuse that controls both O2 sensors and the EVAP soleno… read more
fordguy4u
fordguy4u
Automotive Tech
Vocational, Technical or Trade Scho
70 satisfied customers
I Want To Take Out The CATALYTIC CONVERTERS on my 2005 chevy
I Want To Take Out The CATALYTIC CONVERTERS on my 2005 chevy malibu can i disconect the stabilyzer ends and tist it to remove the cat … read more
AMEDEE
AMEDEE
AUTOMOTIVE TECHNICIAN
Vocational, Technical or Trade Scho
9,105 satisfied customers
Pete again, lack of power like a catalytic converter is
Hey Pete again, lack of power like a catalytic converter is stopped up or air filter stopped up, no codes, checked back pressure on pre-cat 02 sensors and after cats, doesnt appear to have stopped up … read more
Pete
Pete
Independent Auto Technician
Vocational, Technical or Trade Scho
138 satisfied customers
Knock sensor on bank 2, catalytic converter on bank 2 codes
knock sensor on bank 2, catalytic converter on bank 2 codes on 4.3 liter 2011express van … read more
Ron Z.
Ron Z.
- Chevy Tech -
Vocational, Technical or Trade Scho
2,734 satisfied customers
The catalytic converter. Is it worth the cost to replace it?
the catalytic converter. Is it worth the cost to replace it? … read more
Ron Z.
Ron Z.
- Chevy Tech -
Vocational, Technical or Trade Scho
2,734 satisfied customers
I have a 2003 Chevy Venture minivan. Catalytic converter
I have a 2003 Chevy Venture minivan. Catalytic converter light popped up and mechanic says it needs to be replaced. It is California emissions and my mechanic says it will be expensive to do, between … read more
Dan
Dan
Automotive Technician
Vocational, Technical or Trade Scho
25 satisfied customers
2001 chevy impala: says error also battery goes dead over night
2001 chevy impala radio does not work says error also battery goes dead over night sometimes.… read more
GM Tech (Cam)
GM Tech (Cam)
Chevy Technician
15,529 satisfied customers
Chevrolet Impala LS: PO446 CODE emission CONTROL SYSTEM VENT
PO446 CODE emission CONTROL SYSTEM VENT CIRCUIT MALFUNCTION, AND YES THE GAS CAP HAS BEEN OPENED AND CLOSED COMPLEATLY! MILAGE IS JUST OVER 39,000 (IMPALA). is THIS REPAIR COVERED UNDER MY WARRANTY?… read more
lt1camaro03112
lt1camaro03112
Automotive Technician
98 satisfied customers
Chevrolet Impala: Code P0420 2001 Chev Impala 3.4v6 will not
Code P0420 2001 Chev Impala 3.4v6 will not go away 30-45 days driving it returns 200,000 miles does NOT burn oil more than 1/2 qt in 6 months driving Replaced o2 sensors with bosch 13193 ft 13029 rear… read more
GM Tech (Cam)
GM Tech (Cam)
Chevy Technician
15,529 satisfied customers
Code PO147, Oxygen Heater Circuit..bank1
Code PO147, Oxygen Heater Circuit . bank1 sensor 3 . What is it, and where is it?… read more
GM Tech (Cam)
GM Tech (Cam)
Chevy Technician
15,529 satisfied customers
Chevrolet Express 2500: 2002 chevy express 1 ton box truck.
2002 chevy express 1 ton box truck. Can you give me a picture to show me where bank 2 sensor 2 is located and maybe a diagram that shows where all the sensors are located for the future? thanks… read more
Dave Nova
Dave Nova
Chevrolet Technician
Associate Degree
7,092 satisfied customers
2010 Chevy Tahoe: original owner...rained..driver side door filled
Hello, I have a 2010 Chevy Tahoe. I am not the original owner. Yesterday it rained all day here - for some reason, the rear, driver side door filled with water. When I opened the door I could hear the… read more
Bill
Bill
Foreman/Team Leader
Vocational, Technical or Trade Scho
593 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.

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