2013 F350 Low Boost - Ford Powerstroke Diesel Forum
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post #1 of 13 Old 05-19-2019, 04:33 PM Thread Starter
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2013 F350 Low Boost

truck sometimes has low boost. Will only make 8-10 #'s. If i cycle the key this will go away and make full boost... What can this be?? Truck has 88,000 on it. Has a few codes P132b, P20ba, P20b9. I think the last two are the DEF Heater.... Any help would be appreciated.
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post #2 of 13 Old 05-19-2019, 04:50 PM
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You cna look up the 2013 OBDII codes here

http://www.fordservicecontent.com/fo...DOBDSM1301.pdf

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post #3 of 13 Old 05-19-2019, 04:52 PM
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Mabey those codes would make it derate but duno hopefully someone smarter will chime in
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post #4 of 13 Old 05-19-2019, 05:03 PM Thread Starter
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I think this may be a common problem.... i read somewhere to cycle the key and see if the boost comes back and it did. So i figured its a common problem that hopefully someone can steer me in the right direction.... Fingers crossed guys.. Great forum you guys have here. I belong to a high performance forum for a turbo car that i race. Any help would be appreciated !!!!
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post #5 of 13 Old 05-20-2019, 11:31 AM
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Only time I ever saw anything like that was when I ran a DPF on tune.

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post #6 of 13 Old 05-20-2019, 02:26 PM
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The p132b is what you want to focus on.
You will want a device capable of viewing some parameters for sure.
Map, maf flow, ebp, egr valve position (desired and actual), vgt duty cycle, wastegate duty cycle. Those would be the first ones I'd look at.
You'll want to record this data while the problem is occurring. Then, record it under as similar circumstances as possible, with the problem not occurring.
Compare the pid's and see what stands out.
The 132b is quite vague with a multitude of possible culprits.

For those other two codes, find out from your dealer if your vehicle is eligible for the reductant heater recall. I believe most 2013's were

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post #7 of 13 Old 05-20-2019, 05:57 PM Thread Starter
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Quote:
Originally Posted by kaya View Post
The p132b is what you want to focus on.
You will want a device capable of viewing some parameters for sure.
Map, maf flow, ebp, egr valve position (desired and actual), vgt duty cycle, wastegate duty cycle. Those would be the first ones I'd look at.
You'll want to record this data while the problem is occurring. Then, record it under as similar circumstances as possible, with the problem not occurring.
Compare the pid's and see what stands out.
The 132b is quite vague with a multitude of possible culprits.

For those other two codes, find out from your dealer if your vehicle is eligible for the reductant heater recall. I believe most 2013's were
Thanks for the info
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post #8 of 13 Old 05-25-2019, 02:50 AM
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I had the same thing happen to me today. It appears to be common and easily fixed by cycling the key. I haven't been able to find a root cause and fix yet.
My problem occurred while towing today. Trans in tow mode. Truck is stock, no tunes, 2015 with 68k miles.
When I started my drive, I engaged the exhaust brake and everything seemed on. About 90 miles later I noticed the exhaust brake light was off. Pushing the button only resulted in the dash light flashing a few times then going out. I noticed boost was low and wouldn't go above 12k no matter how much throttle I gave it. I also noticed that the engine sounded odd. Hard tip describe but like the was more pronounced airflow woosh from under the hood.
After I cycled the key, everything returned to normal. I haven't checked for codes yet. Will do thai in the morning.

Seems odd that such a common issue doesn't have a readily identifiable fix.

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post #9 of 13 Old 05-25-2019, 07:34 AM
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post #10 of 13 Old 05-25-2019, 11:51 AM
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Thanks for that link. I read that thread and the only difference is that I didn't notice black smoke. would our trucks smoke thru the DPF and emissions stuff?

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