Jeep

Have Jeep questions? Ask a Jeep repair expert for answers

Ask an Expert,
Get an Answer ASAP!

My 2004 liberty and 2004 grand Cherokee have engine codes…

Customer Question
My 2004 liberty and...

My 2004 liberty and 2004 grand Cherokee have engine codes 302 on the 3.7 and code 305 on the 4.7 I have replaced plugs coils and computers on both. the engine light went off for a couple weeks but has now returned on both

Mechanic's Assistant: Has your vehicle stalled? Has anyone run a diagnostic test to pull the trouble code?

4,7 has stalled . I used my ob11 for the codes

Mechanic's Assistant: What year is your Grand Cherokee?

2004

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

Plugs coils and computer

Submitted: 6 months ago.Category: Jeep
Show More
Show Less
Ask Your Own Jeep Question
Answered in 3 minutes by:
1/20/2018
Jeep Mechanic: eauto, The Car Guy replied 6 months ago
eauto
eauto, The Car Guy
Category: Jeep
Satisfied Customers: 17,482
Experience: ase mechanic 16 Plus years in the field
Verified

have you checked injectors and compression?

Ask Your Own Jeep Question
Customer reply replied 6 months ago
all are fine
Jeep Mechanic: eauto, The Car Guy replied 6 months ago

are you using factory coils? what was the compression reading? how did you test injectore? bleed down test? swap?

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 -

641 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
I have a 2006 Jeep Grand Cherokee Laredo that we are trying
I have a 2006 Jeep Grand Cherokee Laredo that we are trying to replace the starter on and can't seem to find where it is … read more
baddad1
baddad1
technician
High School or GED
5 satisfied customers
Bought 06 grand Cherokee w/ locked up engine. Need to know
bought 06 grand Cherokee w/ locked up engine. Need to know if engine from 05 liberty or Durango can be made to work w/ a few parts swapped. … read more
sprinkles08
sprinkles08
Technician
High School or GED
11 satisfied customers
I have a 2002 liberty that i have put 3 motors in. im tired
hello, i have a 2002 liberty that i have put 3 motors in. im tired of the 3.7. i found a 2004 dodge durango with the 4.7 and a 545 545RFE transmission … read more
-Brad-
-Brad-
Foreman Dodge Dealership
Vocational, Technical or Trade Scho
8,182 satisfied customers
I have a 2005 Jeep Grand Cherokee 3.7 vin# K with a motor. I
I have a 2005 Jeep Grand Cherokee 3.7 vin# ***** with a blown motor. I have found a 2005 3.7 motor out of a Jeep Liberty vin #k is it a direct swap… read more
-Brad-
-Brad-
Foreman Dodge Dealership
Vocational, Technical or Trade Scho
8,182 satisfied customers
Liberty Limited: jeep liberty 2005engine stall ath full trotolcode....
jeep liberty 2005 engine stall ath full trotol code....p0441 p0306 p0452 p0441 p2302 p2305 p2308 p2311 p2314 and p2317 i reset fault and p0452 come back the engine stall all p2300code are error due of… read more
sprinkles08
sprinkles08
Technician
High School or GED
11 satisfied customers
Jeep Grand Cherokee Laredo: I have an 05 jeep grand cherokee
I have an 05 jeep grand cherokee 3.7 with an intermittant hard start. At first it gave me a check engine code for low barometric pressure. I replaced the map sensor and that light hasnt come back. Sam… read more
garrtim
garrtim
SERVICE MANAGER
2,262 satisfied customers
Jeep Grand Cherokee 4x4: i am driving my 2004 grand Cherokee,
i am driving my 2004 grand Cherokee, and it is stalling out intermittently. yesterday i was at a stop light, and when turned the corner, the jeep sputtered and the gas gauge dropped and the gas light … read more
Matt Hardy
Matt Hardy
Master Auto Repair Technician
Associate Degree
605 satisfied customers
2002 grand cherokee: my 4.7 V8 rebuilt..engine light came..trans
I just had my 4.7 V8 rebuilt from my 2002 grand cherokee. after about 30 miles parked car for a few days. went out 4 or 5 days later and the check engine light came on, and the trans wont shift out of… read more
AMEDEE
AMEDEE
AUTOMOTIVE TECHNICIAN
Vocational, Technical or Trade Scho
9,105 satisfied customers
2004 Jeep Grand Cherokee: Quadradrive, 4.7 litre..randomly..interstate
I have a 2004 Jeep Grand Cherokee with Quadradrive, 4.7 litre and in the past couple of weeks it has started changing gears randomly on its own, and it gets much worse on the interstate. It has 138000… read more
brownjeff
brownjeff
Associate Degree
13,873 satisfied customers
2004 jeep liberty: my truck..stalling..ignition coil..spark plugs
Hi I have a 2004 jeep liberty, my truck has been stalling and misfiring on cylinder 4 and ignition coil secondary circuit trouble codes I replaced all of the coils and spark plugs . It will go away fo… read more
Chad
Chad
Lead Auto Tech/Shop foreman
Associate Degree
858 satisfied customers
2001 Jeep Liberty: liter..230,000 miles..misfire..Check engine light
I have a 2001 Jeep Liberty 3.7 liter with 230,000 miles. Cold starts "sometimes" causes the engine to misfire or fail to fire some cylinders. Check engine light flashes. Engine usually runs ok after a… read more
Instructor jp
Instructor jp
technical instructor
Associate Degree
313 satisfied customers
Grand cherokee: cyl..hesitating..running rough..Engine light on, chime
My 2010 6 cyl grand cherokee was hesitating and running rough. Engine light on, chime going off, a real mess. Took in for service and wouldn't you know it, they coulnd't replicate the problem. Told me… read more
ND-TECH
ND-TECH
Chrysler/Jeep/Dodge specialist tech
Vocational, Technical or Trade Scho
955 satisfied customers
Grand Cherokee: common failures..transmission problems
Looking to buy a safe reliable vehicle for my daughter to use at college. What are the common failures for Grand Cherokee 2003-2005 and Liberty 2002-2005 ? When do transmission problems start occurrin… read more
Ricardo Hohl
Ricardo Hohl
Auto Motive Instructor
Automotive tech
4,320 satisfied customers
2001 Jeep Grand Cherokee: dealership..It has the 4.7 liter..V8..brakes
I'm looking at buying a used 2001 Jeep Grand Cherokee from a major dealership in the Denver area. It has the 4.7 liter V8 with 129,000 miles on it. What type of things should I look for that could be … read more
eauto
eauto
The Car Guy
17,482 satisfied customers
cherokee: ran diagnostic came..pressure control..electrical..shifting
Have a 04 cherokee, ran diagnostic came up as pressure control soleniod b electrical P0778. Is this what is causing the problems with the transmission shifting? and where is it..cant afford the manual… read more
brownjeff
brownjeff
Associate Degree
13,873 satisfied customers
2004 dodge dakota: engine and i have installed a 3.7
i have a 02 jeep liberty with a 3.7 engine... i just replace the engine and i have installed a 3.7 out of a 2004 dodge dakota but the engine wont star… read more
a dodgetech
a dodgetech
Lead Tech
High School or GED
620 satisfied customers
2002 Grand Cherokee: The second is a 2004 Liberty Manuel Transmission
I have two Jeeps in my shop with the same problem, First is a 2002 Grand Cherokee 4.7. The second is a 2004 Liberty Manuel Transmission. Both vehicle will start jest fine in the morning but after driv… read more
AMEDEE
AMEDEE
AUTOMOTIVE TECHNICIAN
Vocational, Technical or Trade Scho
9,105 satisfied customers
Had an tune up done,on 2004 jeep cherokee,4,7 v8 with Jvin
Had an tune up done,on 2004 jeep cherokee,4,7 v8 with 'J'vin series.They also replace ingintion coil on cylinders 4 and 8.Car still runs like crap.What is the correct spark plug for this vechincle ,ch… read more
Vladgmru
Vladgmru
Automotive Electrician
Vocational, Technical or Trade Scho
1,586 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