P026A code - Ford Powerstroke Diesel Forum
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post #1 of 7 Old 12-25-2013, 06:58 PM Thread Starter
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P026A code

i have installed a 4" down pipe back straight exhaust, sinster diesel EGR delete, S&B cold air intake and the Spartan programmer, with the latest software version, on my 2011 F250 and am now getting the P026A "unknown" code and is throwing a CEL. I have been searching and can't seem to find much, all sensors are plugged in and coolant levels are where they need to be. has anyone had this problem and know a fix? thanks
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post #2 of 7 Old 12-25-2013, 07:22 PM
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It stand for fuel pump A control circuit range/performance But I have no idea what to do about it . Have you tried clearing the code yet and then restarting it yet??


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post #3 of 7 Old 12-25-2013, 07:43 PM Thread Starter
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Yes I have cleared it multiple times and it keeps coming back. Can drive it for a few miles before the light comes back on.
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post #4 of 7 Old 11-21-2016, 11:57 AM
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I am getting this code looking for new posts on this issue.

the only thing I have seen is someone saying their secondary coolant was low.


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post #5 of 7 Old 11-21-2016, 12:15 PM
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I cleared my P026a code will see if it comes back. The same emission light came on and off several times before my turbo failed 39K. I now have no warranty so if it goes its going to be a costly repair/upgrade.


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post #6 of 7 Old 11-21-2016, 12:42 PM
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the code is for charge air cooler efficiency.
if te secondary cooling system is full, you would check aat sensor, ect2 sensor, and cac_t sensor readings after a cold soak overnight. they should all be within a couple degrees of eachother. if they are, hop out and wiggle the cac_t sensor connector. if the readings maintain, replace the cac_t sensor. it's cheap and easy to replace

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post #7 of 7 Old 11-21-2016, 12:48 PM
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Thanks will do.


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