Diesel Issues
Thread Starter
|
New User
Joined: Mar 2004
Posts: 18
Likes: 0
From: Anchorage
Diesel Issues
Hey everyone. I just got an '01 F350 Powerstroke. I as driving it yesterday and I noticed a couple things. I noticed that if I let off the gas pedal the truck sounds almost like it is missing then it goes to what sounds like a normal idle. Also, the check engine light comes on if the truck idles for a long time. It will come on then go right back off and stay off for a minute then repeat. The light will also come on then go right out under acceleration. I don't have a code reader but maybe this is somethign that has happened to someone else.
Thanks.
Thanks.
Cargo Master
Joined: May 2010
Posts: 3,047
Likes: 10
From: Snohomish, WA
It could be a variety of things. Getting the codes read is probably the best thing you can do. Just remember a standard OBD II reader will not pull the codes on your truck. Most of the codes are manufacture specific and the generic OBD II readers do not have that capability.
If I had to guess, I would look at the throttle pedal assy. It has an idle validation switch along with a potentiometer that controls the throttle signal. If they are not working properly, you will get a check engine light.
If I had to guess, I would look at the throttle pedal assy. It has an idle validation switch along with a potentiometer that controls the throttle signal. If they are not working properly, you will get a check engine light.
9 ECHO 1
Joined: Aug 2009
Posts: 12,467
Likes: 58
From: Missouri
Dont write off standard OBDII readers right away. Its a lot easier to go to AutoZone and have them try to read your codes for free than to get an expensive one that will pull Ford codes.
To rscamaro305: Call local auto places, chances are one of them will read your codes for free. If not, go buy yourself the cheapest OBDII reader you can find, all the generic ones work as good as all the other generic ones. If youre lucky, you will get a code. If not, return the OBDII reader, or heck, keep it for next time. I keep mine in my truck at all times and it has never let me down.
Posting Guru
Joined: Jan 2007
Posts: 2,364
Likes: 3
From: Gilbert Az.
Trey I'll bet you're not seeing a lot of stuff than! Or you have not broken down, the 7.3 is not a OBDII compliant engine ^so only certain codes will show stored and pending will not it's kind of a crap shoot, to the OP when you let off the pedal injection stops untill engine drops to idle speed ^so things get real quiet for a while this is normal, as for the light coming and going I agree with Ken it may be just a touchy setting or a failing pot.
Jim & fat Monty
Jim & fat Monty
Frmr Ford Trans Engr
Joined: Aug 1999
Posts: 24,732
Likes: 2,661
From: SE Florida
How about this scenario: Your truck has a problem and sets two codes. One is a generic and one is not. You connect your $49 reader and what does it show? The generic code. It cannot know that there is another code. You've had a problem, read a code, and assume all is good. The other code is still there unless you clear it. The generic readers WILL clear all codes, not just the ones they can read.
Hotshot
Joined: Jan 2002
Posts: 17,988
Likes: 207
From: La La Land
Right on the valve cover it says these engines are not OBD-II compliant. That's why the Kalifornia smog places don't even plug in to see, and just look for a SES light (and smoke).
The cheaper, more-available readers read only the OBD-II serial "words", and typically miss more than they catch when attached to these trucks.
Here is a listing of Ford OBD-II compliant trouble codes. Note there is virtually nothing there relative to a diesel engine?
Here's a listing of Ford diesel codes. Feel free to compare the lists.
To effectively read the error codes on these trucks, you need something that reads the Ford Advanced (or Enhanced) set of codes, and nothing less. If you're not paying at least $400 for your code reader, you're not properly reading your codes.
Pop
The cheaper, more-available readers read only the OBD-II serial "words", and typically miss more than they catch when attached to these trucks.
Here is a listing of Ford OBD-II compliant trouble codes. Note there is virtually nothing there relative to a diesel engine?
Here's a listing of Ford diesel codes. Feel free to compare the lists.
To effectively read the error codes on these trucks, you need something that reads the Ford Advanced (or Enhanced) set of codes, and nothing less. If you're not paying at least $400 for your code reader, you're not properly reading your codes.
Pop
Trending Topics
Thread Starter
|
New User
Joined: Mar 2004
Posts: 18
Likes: 0
From: Anchorage
All good information guys. I will try a generic reader just for grins. The light isn't staying on it is turning on then turning right off. Hopefully it is stored in there.
FTE Stories
Ford Trucks for Ford Truck Enthusiasts
3 Best / 3 Worst Parts of Modern Ford Ownership
Brett Foote
10 Amazing Upgrades That Solve Common Ford Truck Owner Headaches
Pouria Savadkouei
Every 2026 Ford Engine Explained
Brett Foote
10 Ugly Ford Trucks That We Still Kinda Love
Joe Kucinski
10 Things Every Truck Owner NEEDS (2026 Edition)
Michael S. Palmer
Rezvani's Latest Post-Apocalyptic Monster Is a Ford F-150 Raptor Underneath
Verdad Gallardo
Top 10 Most Expensive Ford Trucks Ever Sold on Bring a Trailer
Joe Kucinski
2027 Ford Super Duty Buyer's Guide (Every Model, Engine, & Package)
Brett Foote
Top 10 Ford Truck Tragedies
Joe Kucinski
9 ECHO 1
Joined: Aug 2009
Posts: 12,467
Likes: 58
From: Missouri
All I know is my generic OBDII reader has served me well. I plan on getting an AE, but my reader does just fine for now. I bought the truck with 4 codes, read them all, fixed them, cleared them, and the light has stayed off. Worked for me, perhaps I was just lucky.
Cargo Master
Joined: May 2010
Posts: 3,047
Likes: 10
From: Snohomish, WA
The generic OBD II readers will read standard body and engine codes. The problem lies with the manufacture specific codes. Basically you will not be able to read anything engine related other than MAP codes. The OP was for the CEL coming on with throttle control changes. Since the throttle is specific to Ford, any codes will not be shown with a generic OBD II reader.
Laughing Gas
Joined: Feb 2004
Posts: 822
Likes: 9
From: Leander Texas
Thread Starter
|
New User
Joined: Mar 2004
Posts: 18
Likes: 0
From: Anchorage
That looks really cool. I know what to ask for for Christmas. I know it says it is optional but since it is the enhanced Ford do you know if it comes with ABS?? I have that light on too