How JustAnswer Works:

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

Ask Buddy Your Own Question

Buddy
Buddy, Technician
Category: Heavy Equipment
Satisfied Customers: 730
Experience:  20 years experience. Freightliner tech for last 14 years
19040450
Type Your Heavy Equipment Question Here...
Buddy is online now
A new question is answered every 9 seconds

Freightliner..accelerate..the check engine light turns on..gas pedal

Resolved Question:

I have a 2000 freightliner with a Detroit Diesel engine 13 spd. I can accelerate then when I lay off the accelerator the check engine light turns on, I have to pump the gas pedal once or twice for it to pick back up. When It picks back up it feels like it has a loss of power. It then doesnt do it for a long period of time. It only does it sometimes. Any ideas as to what is going bad or what is happening?
Submitted: 4 years ago.
Category: Heavy Equipment
Expert:  Buddy replied 4 years ago.

Hi and welcome to JA. I am Buddy, and i will try and help you out.

 

Turn your ignition on and hold down your engine check/shutdown override switch and count the flahses on your check engine light and stop engine light. There will be a short pause between each number of the code. The codes are 2 digit codes. Let me know what all the codes are in order they are flashed and also which light they came off of. Also what is the last 6 of your truck vin # XXXXX

 

Thanks
Buddy

Customer: replied 4 years ago.
I checked the flashes. Sorry that this took so long but I dont actually drive the truck I have a driver in it and he was trying to figure out how to get the codes. He is telling me that the Engine protection light flashes 22, 31, 31, 25 and the Check engine light flashes 32, 61, 46, 16 and 43. I dont know if this sounds right but let me know how to exactly do it and i will let him know.
Expert:  Buddy replied 4 years ago.

Thanks for the reply and the info.

Those counds sound correct. Does not sound right on the lights that were flashed out on tho. That is no biggie. Most of those codes are older codes from previous failures. Out of all of them, the throttle sensor 22 code is the one more then likely causing your problem.

This diagnostic condition for code 22 is typically:?

  • Open sensor signal circuit
  • Open sensor +5 volt supply circuit
  • Sensor signal is shorted to sensor return circuit or to ground

22 is throttle position input voltage low

31 is auxillary output circuit failure. This can be a number of things.

25 is for no codes

32 stop engine light short

61 injector response time long.

46 ecm battery volt low

16 coolant level sensor input voltage low

43 low coolant

 

I hope this helps you out. If you have anymore questions, just ask.

 

Thanks
Buddy

Customer: replied 4 years ago.
Ok I have had problems with the main ground above the batteries. I thing I have to replace the bolt and retighten everything. Does this sound like it would work? Also how can I clear the old codes?
Expert:  Buddy replied 4 years ago.

It is possible it could be battery connection. If that looks good, i would inspect the throttle position sensor plug at the foot pedal and make sure plug is not corroded and none of the pins in the plug are spread open to much. Far as clearing the codes, the only way is to hook a handheld reader or laptop to truck and clear the code that way. I hope this helps you out. If you have anymore questions just ask.

 

Thanks
Buddy

Buddy, Technician
Category: Heavy Equipment
Satisfied Customers: 730
Experience: 20 years experience. Freightliner tech for last 14 years
Buddy and 5 other Heavy Equipment Specialists are ready to help you

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 P Elm City, NC
< Last | Next >
  • 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 P Elm 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. Phil Marysville, 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. Charles Walnut 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!
    Sue Charleston, 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. Jim Castleberry, FL
  • 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
 
 
 

Meet The Experts:

 
 
 
  • Chris (aka - Moose)

    Technician

    Satisfied Customers:

    112
    16 years of experience
< Last | Next >
  • http://ww2.justanswer.com/uploads/MU/muddyford/2012-6-13_1204_1.64x64.png Chris (aka - Moose)'s Avatar

    Chris (aka - Moose)

    Technician

    Satisfied Customers:

    112
    16 years of experience
  • http://ww2.justanswer.com/uploads/Boxerman1969/2009-06-22_213107_ja_avatar.JPG Tim's Avatar

    Tim

    Foreman

    Satisfied Customers:

    338
    23 Years Heavy Equipment and Truck Repairs Shop and Field in the Minning and Construction Industry
  • http://ww2.justanswer.com/uploads/jrwhitey2000/2009-01-03_193237_me.jpg J.R.'s Avatar

    J.R.

    Technician

    Satisfied Customers:

    148
    13 years as warranty technician for Detroit Diesel
  • http://ww2.justanswer.com/uploads/yellowman99/2010-03-20_033822_Marshall_Pete_Furr.jpg Cat Man's Avatar

    Cat Man

    Caterpillar Engine Expert

    Satisfied Customers:

    3706
    23 Years Caterpillar Engine experience.
  • http://ww2.justanswer.com/uploads/WT/wtolkson/2012-6-8_12723_JApicture2012.64x64.jpg Wayne's Avatar

    Wayne

    Journeyman

    Satisfied Customers:

    3017
    34 years experiance as engine rebuild and problems.Thermo-King repair and trouble shooting.
  • http://ww2.justanswer.com/uploads/cumminsdr/2010-7-20_204410_ja.jpg DR.Cummins's Avatar

    DR.Cummins

    FIELD SERVICE TECHNICIAN

    Satisfied Customers:

    2352
    16 Years working on Cummins Diesel engines,
  • http://ww2.justanswer.com/uploads/KO/koboma/2012-6-6_20917_DSCF1022.64x64.JPG Curtis B.'s Avatar

    Curtis B.

    service manager

    Satisfied Customers:

    2226
    30 years exp. with diesel engines, heavy equipment and forklifts, including lp forklifts