Jeep

Have Jeep questions? Ask a Jeep repair expert for answers

Ask an Expert,
Get an Answer ASAP!

What does engine codes. Sorry I pushed the wrong button

Customer Question
What does engine codes ...

What does engine codes

Mechanic's Assistant: Just to clarify, what's the exact code? And have you tried to reset it?

Sorry I pushed the wrong button P0440

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

Jeep Liberty 2004

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

No I will take it to my mechanic

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

No I just want to know what the code means

Submitted: 10 months ago.Category: Jeep
Show More
Show Less
Ask Your Own Jeep Question
Answered in 2 minutes by:
9/24/2017
Jeep Mechanic: Ron Z., - Jeep Tech - replied 10 months ago
Ron Z.
Ron Z., - Jeep Tech -
Category: Jeep
Satisfied Customers: 20,054
Experience: 18+yrs experience. State Inspector & Jeep Diagnostics/Repair
Verified

Hi! Welcome to JustAnswer. Thanks for coming! I'm Ron and I'll be working with you on your question today.

Does your vehicle have the 4-cylinder or the 6-cylinder engine?

Ask Your Own Jeep Question
Was this answer helpful?

How JustAnswer works

step-image
Describe your issueThe assistant will guide you
step-image
Chat 1:1 with a jeep mechanicLicensed Experts are available 24/7
step-image
100% satisfaction guaranteeGet all the answers you need
Ask Chris Your Own Question
Chris
Chris
Chris, Shop Foreman
Category: Jeep
Satisfied Customers: 3,596
3,596 Satisfied Customers
Experience: Jeep Certified Master Tech

Chris 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:

Thank you so much for your answer. My initial estimate was $325; I got it done for $100 - part and labor.

Lynn B.Ormond Beach, FL

I was skeptical at first but thought I'd give it a try. I was pleasantly surprised. Your site actually is a quality service that I would recommend to others in a heartbeat.

StanSayre, PA

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

< Previous | Next >

Meet the Experts:

Chris

Chris

Shop Foreman

3,596 satisfied customers

Jeep Certified Master Tech

Mark

Mark

22 Year Factory trained technician

2,649 satisfied customers

Jeep factory training........25 years in the industry.

Dave

Dave

Jeep Master Tech

1,149 satisfied customers

Chrysler Triple Master, ASE master Tech AA degree in Auto.

moparfl

moparfl

ASE Certified Technician

1,130 satisfied customers

ASE Master Tech Chrysler Dodge Jeep Master Tech

Tim Mohr

Tim Mohr

ASE MASTER TECH

1,052 satisfied customers

30 YRS EXPERIENCE, FOREIGN AND DOMESTIC, GAS AND DEISEL

Ron Z.

Ron Z.

- Jeep Tech -

20,054 satisfied customers

18+yrs experience. State Inspector & Jeep Diagnostics/Repair

jeepmopar76

jeepmopar76

Jeep/Chrysler Triple Master Tech

579 satisfied customers

32yr ASE Master Tech, 9yr Chrysler Master Tech, 19 yr Jeep Dealership service including AMC/Eagle

< Previous | Next >

Related Jeep Questions
Jeep Liberty 2004 V6 has a new ignition switch and actuator,
Jeep Liberty 2004 V6 has a new ignition switch and actuator, new plugs and new ignition coils, it will turn over but want start. … read more
AMEDEE
AMEDEE
AUTOMOTIVE TECHNICIAN
Vocational, Technical or Trade Scho
9,105 satisfied customers
Radio sound will not work now that i had to change out the
Radio sound will not work now that i had to change out the dead battery. radio comes on but no sound. I have the serial number off of the radio if I need to find the code for it, how do i find the cod… read more
sprinkles08
sprinkles08
Technician
High School or GED
11 satisfied customers
My esp/bas light and the car skidding light came on and
my esp/bas light and the car skidding light came on and won't go off what is wrong? … read more
eauto
eauto
self employed
High School or GED
74 satisfied customers
2004 jeep liberty an engine code PO755 shift solenoid, 13
2004 jeep liberty an engine code PO755 shift solenoid B … read more
-Brad-
-Brad-
Foreman Dodge Dealership
Vocational, Technical or Trade Scho
8,182 satisfied customers
2012 Jeep Liberty -drivers door control for front windows,
2012 Jeep Liberty -drivers door control for front windows, door locks and power mirrors just stopped working. Able to open and close rear windows from this switch.… read more
-Brad-
-Brad-
Foreman Dodge Dealership
Vocational, Technical or Trade Scho
8,182 satisfied customers
Number 3 cyl.misfire, 2010 Jeep Liberty, check engine light
autozone computer said that it was the number it blinks … read more
-Brad-
-Brad-
Foreman Dodge Dealership
Vocational, Technical or Trade Scho
8,182 satisfied customers
I have a 2004 jeep liberty. Engine check light is on and the
I have a 2004 jeep liberty. Engine check light is on and the freeze frame indicates a STFT B2 alarm. What is the issue? … read more
Dan
Dan
Automotive Technician
Vocational, Technical or Trade Scho
25 satisfied customers
I changed the crank and cam sensor last night an now there
I changed the crank and cam sensor last night an now there is no spark going to the plugs there is power going to the coils but not the plugs … read more
Kevin
Kevin
workshop foreman /master tech/mot tester
1 satisfied customers
Sorry for the lengthy message but need to explain so you can
Sorry for the lengthy message but need to explain so you can understand to help. I have a 2011 Liberty Sport. It was time for new shocks and struts so it made sense this was the right time to do a lif… read more
-Brad-
-Brad-
Foreman Dodge Dealership
Vocational, Technical or Trade Scho
8,182 satisfied customers
I swapped out seats from 2004 jeep liberty to my 2006
I swapped out seats from 2004 jeep liberty to my 2006 liberty. Now my airbag dash light stays on. what should I do to fix?… read more
-Brad-
-Brad-
Foreman Dodge Dealership
Vocational, Technical or Trade Scho
8,182 satisfied customers
liberty: I have a 2006 Jeep liberty; I had the ignition switch
I have a 2006 Jeep liberty; I had the ignition switch replaced 3 mths ago. recently my engine light is coming on. had a mechanic check it last week with the computer--- showed a short somewhere betwee… read more
Expert
Expert
Jeep Liberty Limited Malfunction indicator light came on.
Malfunction indicator light came on---looks like an engine. (solid --not blinking) tried the gas cap trick---- still on. seemed to drive fine for about 20 minutes then a whinning noise from the passen… read more
Dave
Dave
Jeep Master Tech
Associate Degree
1,149 satisfied customers
2004 jeep liberty: check engine light..000 rpms..it sputters and jerks
My 2004 jeep liberty check engine light just came on and the car when i drive in 1st gear will only let me go to 2,000 rpms and it sputters and jerks. can you tell me what might be wrong with this car… read more
moparfl
moparfl
ASE Certified Technician
Vocational, Technical or Trade Scho
1,130 satisfied customers
2004 jeep liberty: what is the flow control valve..fuel tank..3.7L
what is the flow control valve on the front of the fuel tank on a 2004 jeep liberty 3.7L and would it cause the fuel not to go in very fast and give codes of p0440 and p0441… read more
brownjeff
brownjeff
Associate Degree
13,873 satisfied customers
2004 Jeep Liberty: engine light comes..p0440..dealership..vaccum
I have a 2004 Jeep Liberty and the engine light comes on periodically. When I retrieve the code, it's always P0440. I've taken it to the dealership and been advised that this is a code associated with… read more
John
John
Vocational, Technical or Trade Scho
1,209 satisfied customers
2002 Jeep Liberty: the engine light came on and stayed on..rough
I have a 2002 Jeep Liberty all was fine and I got in my jeep today and the engine light came on and stayed on. I got jeep home. And now the engine light is flashing and it seemed rough. Just didnt sou… read more
Chris
Chris
Shop Foreman
3,596 satisfied customers
How can I find more info on 2004 jeep liberty on p0440 code
How can I find more info on 2004 jeep liberty on p0440 code evaporativeemission control system malfunction… read more
AMEDEE
AMEDEE
AUTOMOTIVE TECHNICIAN
Vocational, Technical or Trade Scho
9,105 satisfied customers
Jeep Liberty: a on/off switch for overdrive exists..instrumentation
I want to know if a on/off switch for overdrive exists in my Jeep Liberty 2004 because the o/d off light is on in my instrumentation panel and if not, could it be my transmission?… read more
Dodge tech 1
Dodge tech 1
Diesel Technician, Drivability Technicia
Vocational, Technical or Trade Scho
122 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