Notices
6.0L Power Stroke Diesel 2003 - 2007 F250, F350 pickup and F350+ Cab Chassis, 2003 - 2005 Excursion and 2003 - 2009 van

No Check engine light with trouble codes?

Thread Tools
 
Search this Thread
 
Old Nov 19, 2009 | 06:32 PM
  #1  
ImSoAmish's Avatar
ImSoAmish
Thread Starter
|
Junior User
15 Year Member
Joined: Nov 2008
Posts: 51
Likes: 0
From: N.E. Ohio
No Check engine light with trouble codes?

Do not expect any miracles from this, however IMO it is worth the total of 10-15 seconds it takes to pull the plug on it. Doing so will generate two Diagnostic Trouble Codes in the PCM - P0400 (Exhaust Gas Recirculation Flow Error) and P0407 (Exhaust Gas Recirculation Sensor A Circuit Low). Neither of these codes will trigger the check engine light, and can easily be cleared with a tuner, scanner, or by simply unplugging the battery.
I saw this in the EGR defeat sticky and was wondering if I can have trouble codes without knowing it? No CEL and yet have trouble codes? I have an SCT programmer that can read codes but are there active trouble codes that I may not be able to see with my SCT programmer that plugs into the OBD port?
 
Reply
Old Nov 19, 2009 | 07:14 PM
  #2  
cheezit's Avatar
cheezit
Post Fiend
15 Year Member
Joined: Oct 2009
Posts: 12,123
Likes: 35
From: N. Fort Worth, tx
Club FTE Silver Member

yes you can have dtcs with no light not at all uncommon.
 
Reply
Old Nov 20, 2009 | 05:17 AM
  #3  
ImSoAmish's Avatar
ImSoAmish
Thread Starter
|
Junior User
15 Year Member
Joined: Nov 2008
Posts: 51
Likes: 0
From: N.E. Ohio
The way my truck is running right now there must be some that I don't see with my SCT programmer. How do I get access to them?
 
Reply
Old Nov 20, 2009 | 07:02 AM
  #4  
npccpartsman's Avatar
npccpartsman
Hotshot
20 Year Member
Liked
Loved
Community Favorite
Joined: Dec 2003
Posts: 15,369
Likes: 121
From: Stuttgart, Ar
Club FTE Silver Member

The SCT is NOT a good code reader in any form or fashion. Try an Autozone or Advance Auto if you can't get to a dealership (best place IMHO). I have an OLD predator that I use strictly for code scanning and diagnostics since I don't have Auto Engenuity which may be the next best thing to Ford's IDS.
 
Reply
Old Nov 20, 2009 | 07:16 AM
  #5  
desertt5's Avatar
desertt5
Senior User
Joined: Jun 2009
Posts: 390
Likes: 0
From: ABQ
I don't believe the parts stores readers will catch the codes either. It didn't for me.
 
Reply
Old Nov 20, 2009 | 09:41 AM
  #6  
69cj's Avatar
69cj
Hotshot
20 Year Member
Photogenic
Joined: Jul 2005
Posts: 13,834
Likes: 26
From: Middle Tn.
They will get the standard, my term, codes but not the specialty codes such as abs and tranny. Our Autozone will no longer do code reading for the public. They said it came down from corp. Liability of people buying parts based on the reading and then not correcting the problem.
 
Reply
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
fearfactory
6.0L Power Stroke Diesel
7
Oct 24, 2016 09:06 PM
fearfactory
6.4L Power Stroke Diesel
1
Oct 24, 2016 06:47 PM
SpartanDieselTech
6.0L Power Stroke Diesel
972
Jun 21, 2016 01:44 AM
Princeton Bill
6.0L Power Stroke Diesel
7
Mar 8, 2007 10:24 AM
lkt
1983 - 2012 Ranger & B-Series
6
Jan 17, 2003 12:13 AM




All times are GMT -5. The time now is 02:03 PM.

story-0
This Hennessey Takes the Expedition Tremor's Off-Roading Capability to the Next Level

Slideshow: The VelociRaptor Expedition gains a lift, upgraded suspension, Brembo brakes, and trail-ready equipment while retaining the stock 440-horsepower EcoBoost V6.

By Verdad Gallardo | 2026-06-12 11:01:55


VIEW MORE
story-1
Top 10 Fords at 2026 Carlisle Ford Nationals

Slideshow: Top 10 Fords at 2026 Ford Nationals

By Joe Kucinski | 2026-06-09 11:10:08


VIEW MORE
story-2
3 Best / 3 Worst Parts of Modern Ford Ownership

Based on years of owning multiple modern Ford products.

By Brett Foote | 2026-06-09 10:53:36


VIEW MORE
story-3
10 Amazing Upgrades That Solve Common Ford Truck Owner Headaches

SPONSORED: From muddy boots to rain-soaked cargo, these upgrades address some of the most common frustrations Ford truck owners face every day.

By Pouria Savadkouei | 2026-06-08 18:50:34


VIEW MORE
story-4
Every 2026 Ford Engine Explained

Here's everything you need to know about every Ford engine available for the 2026 model year.

By Brett Foote | 2026-06-05 12:58:01


VIEW MORE
story-5
10 Ugly Ford Trucks That We Still Kinda Love

Slideshow: 10 ugly Ford trucks that we still kinda love.

By Joe Kucinski | 2026-06-03 09:51:16


VIEW MORE
story-6
10 Things Every Truck Owner NEEDS (2026 Edition)

Slideshow: the best gifts for dads & grads

By Michael S. Palmer | 2026-06-03 15:43:58


VIEW MORE
story-7
Rezvani's Latest Post-Apocalyptic Monster Is a Ford F-150 Raptor Underneath

Slideshow: Called the Fortress, the 850-horsepower pickup combines Raptor underpinnings with military-inspired features, survival equipment, and a starting price of $285,000.

By Verdad Gallardo | 2026-06-03 11:38:36


VIEW MORE
story-8
Top 10 Most Expensive Ford Trucks Ever Sold on Bring a Trailer

Slideshow: 10 most expensive Ford trucks ever sold on Bring a Trailer.

By Joe Kucinski | 2026-05-27 16:24:34


VIEW MORE
story-9
2027 Ford Super Duty Buyer's Guide (Every Model, Engine, & Package)

Here's everything that has changed for the latest model year.

By Brett Foote | 2026-05-27 16:17:28


VIEW MORE