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code Particulate Trap 1 Pressure Truck is a Peterbilt 2010 Model…

Customer Question
code Particulate Trap 1 Pressure Truck...
code
Particulate Trap 1 Pressure
Truck is a Peterbilt 2010
Model 386
Engine Cat C-15
Vin # XXXXX
Miles 461999
I had the DPF removed and cleaned on 3/6/2014 at Western Peterbilt Tacoma Washington They said it needed to be cleaned. now i have that code What does that mean? I just spent $1,945.32 on the DPF. CAN YOU HELP ME
THANKS
Submitted: 8 years ago.Category: Medium and Heavy Trucks
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Answered in 18 minutes by:
3/20/2014
Technician: Cat Man, Cat Engine Expert replied 8 years ago
Cat Man
Cat Man, Cat Engine Expert
Category: Medium and Heavy Trucks
Satisfied Customers: 10,344
Experience: I am ASE Master Truck Certified.
Verified
Hi. Thanks for asking your question! I will try and help you out.
May I ask you a few questions please? This will better help me understand your problem.

When the DPF was cleaned, was it reset in the ECM?

How long has this problem been happening?
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Customer reply replied 8 years ago


yes the ecm was reset 2 times


the particulate trap 1 pressure code just came up yesterday

Technician: Cat Man, Cat Engine Expert replied 8 years ago
Thanks for the information.

I always like to ask because many folks just have the DPF cleaned and not reset. It should be reset twice like you said.

Since it has been reset, there are two things I have seen cause this.

The first is the DPF was not cleaned properly or it is clogged bad enough that cleaning did not help. I have seen this several times. I don't mean to say the people who cleaned it are lying or not qualified. I just know I has re cleaned DPF's and solved the problem. Also, I have cleaned DPF's and not be able to fully clean them and had to replace them.

Second is the sensor box reading the DPF restriction is reading inaccurately. I have a spare sensor box I like to install to verify this. If I install it and the problem goes away, I know I have a bad box. If the problem does not go away, I try cleaning the DPF again. If cleaning does not help, I will next recommend replacing the DPF. It is plugged enough that the capacity is too small and can not be fully and properly cleaned.

I am so sorry you are having these problems. I know they can be expensive and very aggrivating to deal with.

Please reply back if you need more help or have more questions. I am happy to assist.
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Technician: Cat Man, Cat Engine Expert replied 8 years ago
Hey Dick. I just wanted to see how things were going. Please let me know if you need more help. I am happy to assist. If my information was helpful, please leave a good or higher rating so that I receive credit. Thanks!
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