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Old 03-21-2017, 12:18 AM
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Regen Every 3-4 Days

For the past three weeks or so, I am getting the "Continue Driving, Regeneration in Process" message. So I've done it until the message clears...but it is happening every three to four days.

Today, it came on and I didn't keep driving. I went to Starbucks and shut down even though the message was there. Upon starting the engine, no message.

There is no way the DPF can clog in just three to four days of light duty mostly urban driving. Me thinks a pressure sensor is failing...but not in a failed mode, just the problem of "bad data in, incorrect diagnostics out."

Any ideas?

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Old 03-21-2017, 06:49 AM
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Re: Regen Every 3-4 Days

Regens are most likely occurring every 100-200 miles. You will only see the EVIC message after several failed attempts. Are you doing more local driving than normal?

A partial regen, for example 80% down to 50%, will be enough for the message to go away.
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Old 03-21-2017, 10:16 AM
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Re: Regen Every 3-4 Days

No change in driving habits. In the past, I only saw the regen message perhaps every 4,000 miles or so or basically once every four or more months. Now, with no change in driving habits, the message comes on every 3-4 days!
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Old 03-21-2017, 12:39 PM
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Regen Every 3-4 Days

Quote:
Originally Posted by carqwik View Post
No change in driving habits. In the past, I only saw the regen message perhaps every 4,000 miles or so or basically once every four or more months. Now, with no change in driving habits, the message comes on every 3-4 days!

How many miles do you have on it? I'm taking a guess and thinking the DPF might need to be "serviced". After awhile they need be to cleaned out.

However, your assumption of a failing pressure reading is also a good guess. The metal pressure tubes feed into rubber tubes further up, so the possibility of a leak is there.


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Old 03-21-2017, 01:19 PM
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Re: Regen Every 3-4 Days

Quote:
Originally Posted by carqwik View Post
For the past three weeks or so, I am getting the "Continue Driving, Regeneration in Process" message. So I've done it until the message clears...but it is happening every three to four days.

Today, it came on and I didn't keep driving. I went to Starbucks and shut down even though the message was there. Upon starting the engine, no message.

There is no way the DPF can clog in just three to four days of light duty mostly urban driving. Me thinks a pressure sensor is failing...but not in a failed mode, just the problem of "bad data in, incorrect diagnostics out."

Any ideas?

Absolutely can fill up that shortly. If your engine is untuned your EGR is on. If your EGR is on its pumping into your dpf.


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Old 03-21-2017, 04:31 PM
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Re: Regen Every 3-4 Days

If that is the case, why is this just happening now with 38,000 miles...? It didn't do this before...
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Old 03-21-2017, 05:29 PM
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Re: Regen Every 3-4 Days

Quote:
Originally Posted by carqwik View Post
If that is the case, why is this just happening now with 38,000 miles...? It didn't do this before...
You might be on to something with "a pressure sensor is failing...but not in a failed mode, just the problem of "bad data in, incorrect diagnostics out."
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Old 03-21-2017, 09:25 PM
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Re: Regen Every 3-4 Days

You don't see a regen message at every regen, only when it needs one because previous regens are incomplete. Suspect that you have just had a number of partial regens, hence why the message keeps coming back. You may have a faulty sensor, but it could also be an inconvenient coincidence.


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