Reprogramming to "stock" confused help
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Senior User
Joined: Aug 2006
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Reprogramming to "stock" confused help
I will soon be deleting the dpf and an h&s tuner.
I am confused about the return to stock if I take it in for service work.
If I reprogram to stock and drive without the dpf and sensors won't the truck throw codes or have problems??
Same question with the EGR issues. I have read truck should drive with it on every once in a while to get it lubed up so it does not get stuck.
I am confused about the return to stock if I take it in for service work.
If I reprogram to stock and drive without the dpf and sensors won't the truck throw codes or have problems??
Same question with the EGR issues. I have read truck should drive with it on every once in a while to get it lubed up so it does not get stuck.
Laughing Gas
Joined: May 2009
Posts: 908
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From: Covina, CA.
Yes, it can throw codes and could go into limp mode as the sensors will be unable to read correctly. How quickly this happens can vary from truck to truck.
Some of the tuners will actually engage the EGR from time to time for that purpose. Not sure about H&S but I believe Spartan does. Each tune varies though, so check with H&S or wait for someone who has one to chime in.
Some of the tuners will actually engage the EGR from time to time for that purpose. Not sure about H&S but I believe Spartan does. Each tune varies though, so check with H&S or wait for someone who has one to chime in.
Posting Guru
Joined: Sep 2010
Posts: 2,213
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From: The Woodlands, TX
Smotrs is dead on. Without re-installing the DPF/DOC, your truck will go into limp mode which is a safety to prevent damage.
H&S will cycle your EGR when you use the "Easy Tune." Unless you're returning to stock and driving 2-300 miles before re-deleting, I recommend running easy tune every 10,000 miles or so.
H&S will cycle your EGR when you use the "Easy Tune." Unless you're returning to stock and driving 2-300 miles before re-deleting, I recommend running easy tune every 10,000 miles or so.
New User
Joined: Jan 2012
Posts: 17
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Do no try to drive with the PDF. I you have a tuner friendly dealer then you can pull it around the corner and drive it it. It WILL freak out and try to clean a filter that's not there. Another option is to put the DPF back in and run a stock tune. But the dealer will know what you are up to. Be honest with them or find another shop IMO.
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