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 > Diesel Particulate Filter cleaning solutions

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Durb

NW

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Posted: 10/22/18 08:49am Link  |  Quote  |  Print  |  Notify Moderator

My diesel SUV has just returned from the shop with a new DPF as the new one plugged up at 42,000 miles. This filter is plumbed right off the turbos and requires that a lot of the car is disassembled to remove it. The labor and DPF filter would have been in the thousands of dollars had it not been under warranty. This is a sweet engine but extraordinary fuel economy doesn't compute with a staggering bill every three years. I might re-evaluate keeping the vehicle.

My questions are: Have any of you tried the "on vehicle" cleaning methods such as Liqui-Moly, if so, what were your results? Do any of you use the Lucas fuel additive designed to keep your DPF clean?

Our SUV is a grocery hauler and is not subject to many long trips or hard pulls plus there is no manual regen control. I would be willing to try the solutions if I thought they would work. Sure am glad my truck is pre 2007. Thanks for your feedback.

* This post was edited 10/22/18 12:47pm by Durb *

mich800

Pontiac, MI

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Posted: 10/22/18 09:18am Link  |  Quote  |  Print  |  Notify Moderator

What vehicle? Other than a manual clean option/flash I wouldn't trust those other methods. But the manual clean is generally on commercial type vehicles.

Grit dog

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Posted: 10/22/18 09:27am Link  |  Quote  |  Print  |  Notify Moderator

None of those things are going to fix your dpf or keep it clean. Driving it hard will if everything is operating properly.


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ShinerBock

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Posted: 10/22/18 09:36am Link  |  Quote  |  Print  |  Notify Moderator

DPF on a pre 2007? Huh?!? [emoticon]

mich800

Pontiac, MI

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Posted: 10/22/18 09:37am Link  |  Quote  |  Print  |  Notify Moderator

ShinerBock wrote:

DPF on a pre 2007? Huh?!? [emoticon]


Two different vehicles.

ShinerBock

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Posted: 10/22/18 09:40am Link  |  Quote  |  Print  |  Notify Moderator

mich800 wrote:

ShinerBock wrote:

DPF on a pre 2007? Huh?!? [emoticon]


Two different vehicles.


Ah, yes, that makes sense now.

In that case OP, I would wager that taking your SUV on a 30 minute "joy ride" once a week would probably be the cheapest option.

Humpty

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Posted: 10/22/18 09:58am Link  |  Quote  |  Print  |  Notify Moderator

ShinerBock wrote:


Ah, yes, that makes sense now.

In that case OP, I would wager that taking your SUV on a 30 minute "joy ride" once a week would probably be the cheapest option.


Agree - it needs to come up to temp and stay there on a regular basis to allow the normal regen process to work.

I used a 2009 3500 diesel as a daily driver for a while - 3 mile commute. The DPF system did not like that at all. The only cure if not towing was a "joy ride". 30 minutes of HWY driving took care of it.

I have not had any issues with my Diesel Canyon, but my current commute is stupid long.


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shum02

Burlington ON CDA

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Posted: 10/22/18 09:59am Link  |  Quote  |  Print  |  Notify Moderator

Durb wrote:



Our SUV is a grocery hauler and is not subject to many long trips or hard pulls


That's the problem and the solution.

Take it out and drive it like you stole on a regular basis. Diesels do not like to be lugged around even without the emmissions issues.


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SidecarFlip

SE Michigan

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Posted: 10/22/18 10:06am Link  |  Quote  |  Print  |  Notify Moderator

Welcome to the world of clean air and emissions compliant vehicles.


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donn0128

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Posted: 10/22/18 10:28am Link  |  Quote  |  Print  |  Notify Moderator

Back when I first got my very early build 6.7L Cummins there was lots of talk about emissions. Basically the consesus was, drive it hard, keep the Revs up, and always run with the EB on. If your lugging ot around town a lot, you absolutely must take it out and run it hard on the highway for at least 30 minutes every week. Otherwise be prepared to pay for new PDF every year.


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