Car

Ask a mechanic online and get answers to your car questions

Connect one-on-one with {0} who will answer your question

Related Car Questions
Getting a P0400 code. I replaced the EGR solenoid a months
Hi. Getting a P0400 code. I replaced the EGR solenoid a months ago for P0403 and that went away. Now P0400 has popped up. Autozone says it's the EGR valve. I've removed, cleaned, tested and don't thin… read more
Marty
Marty
Vice President / Manager
Associate Degree
33,806 satisfied customers
I have had the EGR replaced 2 times & my mechanic took
I have had the EGR replaced 2 times & my mechanic took everything apart he could think of to clean out any residue clogging up ports tubes, etc. I drove the '08 Grand Viara xsport 1 day, gave it extra… read more
Kevin
Kevin
workshop foreman /master tech/mot tester
3,607 satisfied customers
Engine stalls while it idling for a while. No check engine
engine stalls while it idling for a while JA: Is the check engine light on? Does the car stall at idle or when driving? Customer: no check engine lite an no codes an at idle JA: What is the make/model… read more
David Craig
David Craig
Auto Mechanic
Associates
7,684 satisfied customers
Grand Vitara 1,9ddis 2008 with EGR \ trottle valve trubble.
Grand Vitara 1,9ddis 2008 with EGR \ trottle valve trubble. need some diagrams and values to find the problem … read more
Eric
Eric
Retired
N/A
34,582 satisfied customers
Got a po430 code and a po 401, its two codes ... PO 430 AND
All i've done so far is poured in a converter cleaner … read more
mike switzer
mike switzer
734 satisfied customers
ASTRA..SOME TOLD ME THAT ON THE TECH 2 THE TROUBLE CODE
I HAVE AN ASTRA G WITH AN X17DTL ENGINE AND SOME TOLD ME THAT ON THE TECH 2 THE TROUBLE CODE IS P0400 (5) CRITICAL MALFUCTION PLEASE COULD ANYONE GUIDE WHAT IS THE TROUBLE WITH MY CAR… read more
vauxdoc
vauxdoc
Vocational, Technical or Trade Scho
1,117 satisfied customers
97 Sportage: fault code..Knock Sensor..P0400, EGR Flow Malfunction
Hi, I have a 97 Sportage with fault code P0326, Knock Sensor 1 Range/Performance and a code of P0400, EGR Flow Malfunction. How do I diagnose these problems?… read more
Jerry
Jerry
Master Mechanic
Vocational, Technical or Trade Scho
2,181 satisfied customers
i have a 2000 mazda millenia with a v-6,vin jm1ta2213y1615630.code
i have a 2000 mazda millenia with a v-6,vin:jm1ta2213y1615630.code po400 egr flow keeps coming on,we changed the two solenoids and removed the valve too check for carbon.prior too cleaning the car wou… read more
Amedee
Amedee
Former ASE Master Tech
Vocational, Technical or Trade Scho
2,597 satisfied customers
99 madza 626, 2.5, 6 cylinder...o2 sensor..egr valve..terminals
I have a 99 Madza 626, 2.5, 6 cylinder. Three codes came up in the following order: PO147 (O2 sensor heater circuit malfunction bank 1 sensor 3), P0400 (egr valve), P0420 (catalyst efficiency below th… read more
MASTER TECH
MASTER TECH
Master Tech
Vocational, Technical or Trade Scho
5,763 satisfied customers
my 2001 suzuki grand vitira is showig a code p0400 egr flow
my 2001 suzuki grand vitira is showig a code p0400 egr flow malfunction. Can you tell me wear the egr it located and can i test it after i clean it to be sure if its good or not?… read more
rpmdiag
rpmdiag
High school
8,371 satisfied customers
My 2000 Suzuki Esteem recently started to stall. At cold start
My 2000 Suzuki Esteem recently started to stall. At cold start the idle is fine, but after driving it a little it stalls in straffic when stopped. It is 5-speed manual. Up to that point the idle was f… read more
CDNRobb
CDNRobb
Vocational, Technical or Trade Scho
62 satisfied customers
Ford: faulty..I went in to do my emissions..dealership..egr valve
howdy i have a faulty code of P0400 or EGR FLow when I went in to do my emissions. i took it to a dealership (Ford...because my guy sold out to ford) and they came back saying it could be an egr boost… read more
HondaPlatinum
HondaPlatinum
Vocational, Technical or Trade School
25,590 satisfied customers
2000 mits. galant w/ 4 cyl 2.4 engine enging light keeps coming on.
i have a 2000 mits. galant w/ 4 cyl 2.4 engine enging light keeps coming on. the code says its th e.g.r valve but that been changes along with the e.g.r pump and a sensor in the vaccuum hose i'm at wi… read more
Jeremy Phipps
Jeremy Phipps
Lead Technician
Vocational, Technical or Trade Scho
72 satisfied customers
Flow..Malfunction..scanner..a fuel leak on the filler line to the tank
P0400 Exhaust Gas Recirculation Flow Malfunction. I picked up this code on my scanner, I also got PO442, PO403, PO455. I do have a fuel leak on the filler line to the tank, so I know I have to fix tha… read more
Clifton B.
Clifton B.
nissan master auto tech
Associate Degree
4,693 satisfied customers
2000 Isuzu Rodeo: EGR valve..drove..the check engine light came
My son''s 2000 Isuzu Rodeo is repeatedly giving a P 1340 and 0401 codes. I have removed the EGR valve and cleaned the carbon off of it and used a flex brush to clean out the tubes leading up to the EG… read more
autotech155
autotech155
Head Technican
Vocational, Technical or Trade Scho
182 satisfied customers
97 mercury villager: auto tansmission.it is not shifting..rpms
I have an 97 mercury villager with auto tansmission.it is not shifting at the right rpms.you really have to baby it to get it to go through all the gears.can you tell me what to look at first?… read more
westrope65
westrope65
Associate Degree
156 satisfied customers
My car exhaust..regulator..which it says egr flow malfunction
My car exhaust is very strong and I''ve changed my EGR,EGR regulator and sensor. I now I have a error code P0400 which it says EGR flow malfunction. How do you fix this problem?… read more
david
david
Heavy Duty Repair Mechanic
Vocational, Technical or Trade Scho
500 satisfied customers
1995 Mercedes Benz S320: check engine light came on..Malfunction..mb
I have a 1995 Mercedes Benz S320 which the check engine light came "on". It gave me a code of P0400 (P0400 Exhaust Gas Recirculation Flow Malfunction) My question is, where is my EGR Valve located on … read more
Marc
Marc
fleet supervisor
Vocational, Technical or Trade Scho
1,140 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 would (and have) recommend your site to others I was quite satisfied with the quality of the information received, the professional with whom I interacted, and the quick response time. Thanks, and be sure that I'll be back whenever I need a question answered in a hurry.

Stephanie PElm City, NC

used your service this weekend with "Trecers" help. thank you ,thank you, thank you. replaced an A/C fan motor. Local Auto Zone had part. $15.00 "tracer" fee and $40.00 for parts, I saved several hundreds of dollers at a shop. i will recommend you and use you in the future.

David L.Richmond, TX

9 dollars, 2 hours of my time, and I drove away. Your diagnosis was right on the mark. Thank you so much.

PhilMarysville, CA

Lurch. Thank you very much. I had real doubts about this website but your promptness of response, quick followup and to the point answer with picture was incredible.

CharlesWalnut Creek, CA

As a single woman, I really appreciate an excellent and affordable opinion.
Thank you Geordie, I will not hesitate to contact justanswer in the future!

SueCharleston, WV

Another great insight to what may be the problem. I will have my mechanic take a look at it tomorrow. Thanks again, Frank...you do indeed know your stuff.

JimCastleberry, FL

Excellent reply, and also very quick. Really sounds like the Expert knows what he is talking about. I will be back to use your service when I need more help with my RV.

DutchUSA

< Previous | Next >

Meet the Experts:

Chris (aka-Moose)

Chris (aka-Moose)

Technician

1,449 satisfied customers

16 years of experience

Ted G.

Ted G.

ASE Certified Technician

1,769 satisfied customers

20 years auto repair experience, ASE Master Tech, Mechanical Failure consultant, Expert Witness

George H.

George H.

ASE Certified Technician

1,570 satisfied customers

ASE Master Tech 15+ yrs, AAS Automotive Technology, Factory trained Asian specialist

GM Tech (Cam)

GM Tech (Cam)

Auto Service Tech

682 satisfied customers

GM Grand Master Technician 2007. 14 years experience.

Amedee

Amedee

Former ASE Master Tech

2,597 satisfied customers

ASE certified tech advanced level specialist. Wisconsin certified emissions state inspector

Jerry

Jerry

Master Mechanic

2,181 satisfied customers

ASE master, 30+ years. All makes and models. Trouble shooter, shop forman, service manager

Richard

Richard

ASE Certified Technician

1,017 satisfied customers

12 years Ford Lincoln/Mercury Jaguar dealership as a technician and shop foreman reparing all makes

< 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