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I have a 2012 prostar with maxxforce13, I have a code of SPN…

I have a 2012...

I have a 2012 prostar with maxxforce13 , I have a code of SPN 7129 FMI 7 .

Mechanic's Assistant: What's the make/model/year of your truck? Engine type?

2012 international prostar with a maxxforce 13

Mechanic's Assistant: Are you fixing your truck yourself? What have you tried so far?

Yes , not much looking for some information

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Answered in 1 hour by:
3/21/2018
Daniel Wilson
Category: Medium and Heavy Trucks
Satisfied Customers: 6,884
Experience: Owner at DJ Wilson
Verified
Hi my name is***** will be glad to help. Professionals are not employees of the site slow response times can vary based on my work load Etc throughout the day. Give me some time to pull up this code information and follow up with my responses.
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Retarder control valve unable to achieve desired EBP 2357 SPN 7129 7

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TC 2357 - Retarder control valve unable to achieve desired EBP

DTC 2357 is set when the ECM has determined that the exhaust back pressure is below normal.

Pin-point AMS System Fault

1. Inspect exhaust system for any leaks.

2. Inspect DPF and DOC for any leaks

3. Inspect the turbochargers and Charge Air Coolers (CACs) for damage.

4. Check for engine performance issues.

5. Check for active retarder control faults or DTCs.

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Check the items posted above and let me know the results.

Please take a moment to rate as that is how the site credits my time helping on the site or let me know if you need more help. 5 star and bonuses are always greatly appreciated.

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Customer reply replied 4 months ago
Ok will check ,?why is engine looking for ebp

The ECM uses data supplied by the EBP Sensor to determine the fuel requirements at any given time while the truck is running. A bad EPB sensor can cause sluggish performance buy signaling the EBP valve at the turbo outlet to close at times that it should not close. A defective EBP sensor can also contribute to poor mileage.

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Customer reply replied 4 months ago
Just talk to driver be he said that exhaust brake doesn't work , maybe ebp senor is bad or can it be plugged ?

Could be a bad sensor or wiring harness problem... Any of the possible causes I listed.

Daniel Wilson
Category: Medium and Heavy Trucks
Satisfied Customers: 6,884
Experience: Owner at DJ Wilson
Verified
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