Ford

Have Ford questions? Ask a mechanic for answers ASAP

Ask an Expert,
Get an Answer ASAP!

This answer was rated:

2001 7.3 pwr. Stroke rough Idle SES light on and off...

2001 7.3 pwr. Stroke...

2001 7.3 pwr. Stroke rough Idle SES light on and off...

Mechanic's Assistant: Is the rough idle intermittent or consistent?

Intermittent but getting worse has pcm codes P1316,0470 and 0478....

Mechanic's Assistant: What is the model of your '01 Ford?

F350 XLT 4x4

Mechanic's Assistant: Are you fixing your F350 yourself? What have you tried so far?

Most likely.... Did buzz test and #5 faulted in a high to low failure... Checked manifold temps passenger side is 60 deg F cooler,,,

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

Yes have replaced driver side valve cover gasket and injector loom.... cause it had failed before similar symptoms.

Show More
Show Less
Ask Your Own Ford Question
Answered in 2 hours by:
10/20/2017
HDGENE
HDGENE, Ford Senior Master/Diesel/Trans
Category: Ford
Satisfied Customers: 6,574
Experience: 28 years Auto experience, Ford ,GM, Chrysler, Asian & European
Verified

Hello, and thank you for using Just Answer! My name is***** me a few moments to review your question and Ill do my best to assist you.

Ask Your Own Ford Question

Hello, since you replaced the valve cover harness does it still have the same codes stored after you cleared them? It only idles rough and is ok while driving or its running like you have a dead miss? You didnt change the injectors or the injector orings? Is it using oil or coolant?

Ask Your Own Ford Question
Customer reply replied 8 months ago
I didn't replace the harness on this side (passenger) I did the quarter fix.... I did a harness replacement on the other side ( driver) the quarter fix worked on that side also for about 10 yrs. but the gasket lock loop snapped.. about 6 months ago and I went ahead and replace the gasket and harness on the drivers side... I ordered enough parts to do both sides...
My initial diag. was a failed buzz test on cyl. #5 and codes P1316, P0470 and P0478.... The drivability initially was no SES and roughness on start.. After short distance the SES would light and rough Idle.... This would clear on it's own or after restart... This was an intermittent occurrence and lately happens every day.. Once the SES cleared itself it would run fine for the day..... But now the SES is lit and the rough idle is constant...My repairs so far is that once I pulled the intercooler pipe and the battery I noticed the plug on the truck side of the valve cover had broken wire insulation on several of the conductors (wire exposed).... I ordered these plugs several years ago cause I found out they were a common failure Item... I have since replace that plug using solder and heat shrink... The issue did not clear, SES and rough Idle are still with me... I shut down work as it was getting dark... Today I had another appt. to keep. Tomorrow I plan on pulling the valve cover and verifying the under cover plug... And will replace the loom and gasket not matter what.... The truck hasn't used any oil or coolant and doesn't smoke.... It has 140k on it and has been well maintained.. It's a 2001... My question is this; a friend had a 6.0 with the same symptoms when we ran the buzz test similar results different cyl. But the audio had 9 pluses no difference in volume for the last eight.. Just like mine with the SES and rough Idle intermittently, after he replaced several injectors same issue... We smelled a rat... His wife took it to the dealership when he was out of town and they told her all the injectors needed replacement... We finally though could it be the FICM and swapped with another truck.... problem cleared ....

The 7.3 and the 6.0 are totally different . Not the same in testing procedures. Im not sure what else you are asking me?

Ask Your Own Ford Question
Customer reply replied 8 months ago
If and when I get down to the injector how will I know it's the problem and not the FICM. How do I verify the injector has failed and the FICM didn't just shut it down.....

Ok, the 7.3 uses an IDM, the 6.0 uses a FICM ( same thing but different in how it works( very different ). P0470 & P0478 are are for the EBP sensor. The p1316 code you would need to run through the diagnostic trouble code to verify if its a wiring issue, a faulty idm or a bad injector. Do you need the pinpoint test?

Ask Your Own Ford Question
Customer reply replied 8 months ago
thanks the pinpoint test would be great

Attached is the complete test. Start from FJ9 for this code.

HDGENE
HDGENE, Ford Senior Master/Diesel/Trans
Category: Ford
Satisfied Customers: 6,574
Experience: 28 years Auto experience, Ford ,GM, Chrysler, Asian & European
Verified
HDGENE and 87 other Ford Specialists are ready to help you
Ask your own question now

Thank you!

Ask Your Own Ford Question
Was this answer helpful?

How JustAnswer works

step-image
Describe your issueThe assistant will guide you
step-image
Chat 1:1 with a ford mechanicLicensed Experts are available 24/7
step-image
100% satisfaction guaranteeGet all the answers you need
Ask HDGENE Your Own Question
HDGENE
HDGENE
HDGENE, Ford Senior Master/Diesel/Trans
Category: Ford
Satisfied Customers: 6,574
6,574 Satisfied Customers
Experience: 28 years Auto experience, Ford ,GM, Chrysler, Asian & European

HDGENE 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:

AlvinC answered a question about my Ford truck that only someone with an in-depth knowledge of his subject would have known what was going on.

Rich DUSA

Because of your expertise, you armed me with enough ammunition to win the battle with the dealer. They are installing a fuel filter and fuel pump at no charge to me.

MollyUSA

I needed help with my car on Saturday morning....got a response in 5 minutes, and it was the perfect solution. Thanks again to your service.

Jason V.Kirkland, WA

I do know, after going though this with JustAnswer, that I can somewhat trust my mechanic but I will always contact you prior to going there.

BRNew Jersey

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

< Previous | Next >

Meet the Experts:

Ron

Ron

ASE Certified Technician

25,022 satisfied customers

23 years with Ford specializing in drivability and electrical and AC. Ford certs and ASE Certs

Chris (aka- Moose)

Chris (aka- Moose)

Technician

28,993 satisfied customers

16 years experience

John Mc

John Mc

Ford Technician

5,495 satisfied customers

19 years Ford Lincoln Mercury experience

Chuck

Chuck

ASE Certified Technician

1,685 satisfied customers

33 Years Experience,Ford Senior Master,ASE Master,L1 Advanced Engine Performance

Cam

Cam

Journeyman Automotive Technician

10 satisfied customers

GM Grand Master Technician 2007. 14 years Automotive experience.

Mike V.

Mike V.

Auto Service Technician

1,556 satisfied customers

25 years experience on all makes and models, Licensed NYS Inspector.

Richard

Richard

ASE Certified Technician

1,524 satisfied customers

12 years at a Ford Lincoln/Mercury and Jaguar dealer as a technician and shop foreman.

< Previous | Next >

Related Ford Questions
Truck will not start after it died, fuel pump on frame will
Truck will not start after it died, fuel pump on frame will not come on when key turned on, relay buzzes for fuel … read more
BOBBYSS
BOBBYSS
TECHNICIAN/ADVISOR
Associate Degree
8,343 satisfied customers
f-450: I have an 01 450 with a powerstroke 7.3. it has a oil
I have an 01 450 with a powerstroke 7.3. it has a oil leak that comes and goes it appears to be at the lower side of the block on the drivers side. there is a cylinder shaped tube on this side of moto… read more
Steve W
Steve W
Line Technician
Vocational, Technical or Trade Scho
1,968 satisfied customers
F350 PSD: 04 F350 PSD/automatic 4x4 shortbed. Has 120k on it,
04 F350 PSD/automatic 4x4 shortbed. Has 120k on it, reman FICM, one new injector due to injector wiring screw failure, EGR delete, new oil cooler. Current ambient temp is under 40*f. 4days ago it star… read more
roy
roy
Associate Degree
3 satisfied customers
ford f150 4.2 liter v6: i have a 1999 ford f150 xlt 4.2 liter
i have a 1999 ford f150 xlt 4.2 liter v6 engine. I have also had the error codes for lean bank 1 and bank 2. but my situation has gotten more dire. now after my truck warms up to operating temps it st… read more
James
James
Bachelors degree automotive technology with minor in diesel
3,578 satisfied customers
Ford F 350: On my Ford F 350, with a 7.3 power stroke, I have
On my Ford F 350, with a 7.3 power stroke, I have a small oil leak on the left side of the motor(as you sit in the truck that is) need to figure out what components might be leaking. Leak is coming fr… read more
Steve W
Steve W
Line Technician
Vocational, Technical or Trade Scho
1,968 satisfied customers
f350: I have a 2001 f350 7.3 of course !!! It is weak and idling
I have a 2001 f350 7.3 of course !!! It is weak and idling rough and running rough and every now n then it will buck and kinda miss the only etc reading I can get is pffff any suggestions ????… read more
John Crouch
John Crouch
lead senior master tech
Vocational, Technical or Trade Scho
1,383 satisfied customers
96 f350: with a intermittent misfire 3-5 sec...runs rough
have 96 f350 7.3 with a intermittent misfire 3-5 sec. after start-up, starts on all 8 then slows down slightly and then runs rough with check eng. lt. on. did scan for codes and got po605 and po261, p… read more
b-kitchener
b-kitchener
Ford dealer senior master technician
Vocational, Technical or Trade Scho
206 satisfied customers
97 350 5 speed with a rough idle..acceleration in all gears..cylinders
Have a 97 350 5 speed with a rough idle and no power and really rough on acceleration in all gears. Almost like its not running all cylinders.… read more
Dan
Dan
Automotive Technician
Vocational, Technical or Trade Scho
25 satisfied customers
2000 Ford F-250: It runs fine..cool..engine temp gets..operating temp
I have a 2000 Ford F-250 with the 7.3 engine. It runs fine when the engine is cool. When the engine temp gets up to normal operating temp. It runs really rough and sounds like it has dropped a piston … read more
Diesel Doc
Diesel Doc
Diesel Technician/Shop Foreman
High School or GED
2,495 satisfied customers
FORD: 350 7.3 deisel..eng ck LITE CAME..TRUCK STARTED..STARTED running
YOU TOLD ME TO GO TO AUTO STORE AND GET MY CODES I DID AND IT PASSED .F 350 7.3 DEISEL AS I TOLD YOU BEFORE ENG CK LITE CAME ON IT STARTED TO RUN ROUGH. I PULLED OUT OF AUTO STORE AND LITE WENT OUT TR… read more
APenland
APenland
Ford Senior Master Technician
Associate in Industrial Management
3,186 satisfied customers
2001 ford f350: power stroke..few trys then run rough and no power
i have a 2001 ford f350 7.3 power stroke runs good one day wonot start the next. start after a few trys then run rough and no power and then run good again for day.… read more
Steve Jensen
Steve Jensen
Service Manger/ Lead Technician
High School or GED
385 satisfied customers
F350: F250..Power stroke..the best engine and if 4x2 is better or 4x4
I am looking to buy a F250 or F350 4x4 or 4x2 Power stroke, and I would like to know your recomendations for the best engine and if 4x2 is better or 4x4? f.l.b.… read more
Mitch
Mitch
Ford Technician
Vocational, Technical or Trade Scho
252 satisfied customers
99 f 350: it wont run out only about 60 on the floor and no power
just bought a 99 f 350 and it wont run out only about 60 on the floor and no power on take off… read more
APenland
APenland
Ford Senior Master Technician
Associate in Industrial Management
3,186 satisfied customers
Hard starting 2000 7.3 turbo in E-350 box van..outside temp
Hard starting 2000 7.3 turbo in E-350 box van. When the outside temp is below about 55 deg, f. the engine will not start unless the block heater has been plugged in for at least an hour. After we get … read more
John Mc
John Mc
Ford Technician
Vocational Trade School
5,495 satisfied customers
2000 f350: driving cold, service engine light..run rough..cyl..smooth
2000 f350 7.3 when driving cold, service engine light will come on and run rough, like 6 or7 cyl. then smooth out and light turns off. it will do this a few times until warm. if its colder out, light … read more
Diesel Doc
Diesel Doc
Diesel Technician/Shop Foreman
High School or GED
2,495 satisfied customers
2000 f 250: runs rough..the cold air sensor turbo sensor..obd
my 2000 f 250 7.3 d with 4r100 runs rough in the morning until warm and when its full operating temp it sound and still runs like its cold. I have replace the cold air sensor turbo sensor and there ar… read more
lamontgomery
lamontgomery
Ford Technician
Associate Degree
465 satisfied customers
2004 F350: power stroke..Houston, TX 100-degrees in the heat..VIN#
i HAVE A CUSTOMERS 2004 F350 6.0 power stroke in the shop for over heating concern. Environment Condition-Houston, TX 100-degrees in the heat of day. The truck HAS VIN# XXXXX Concern- When the truck i… read more
Rob
Rob
Diesel Technician
Vocational, Technical or Trade Scho
40 satisfied customers
2001 ford escape: 4x4..automatic..slips..there a solenoid
I have a 2001 ford escape 4x4 automatic. The overdive slips when it is cold. Is there a solenoid to replace or a software fix in the transmission computer? What will cure this problem?… read more
Randall    (Cheeko)
Randall (Cheeko)
Ford Dealer
Vocational, Technical or Trade Scho
2,282 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