Check engine light
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New User
Joined: Aug 2020
Posts: 9
Likes: 0
Update on my CEL. Brought it to a local shop and code came back as MAP sensor. Did a little more digging and steered my mechanic to an ECU update or flash from Ford. Purchased the update from Ford and updated the ECU and fixed the CEL. MAP sensor was not replaced btw.
any one else have this same experience?
any one else have this same experience?
Post Fiend
Joined: Nov 2001
Posts: 6,748
Likes: 118
From: Tallassee, ALabama
Should not have been any charge for the update from Ford. The IDS software is available for free download from MotorCraft website. This IDS software has the latest calibration files and PCM/ECU flash info.
https://www.motorcraftservice.com/Di...categoryId=276
https://www.motorcraftservice.com/Di...categoryId=276
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Posting Guru
Joined: Aug 2007
Posts: 1,902
Likes: 26
From: BA, OK
What was the code? I have a 2016 6 7 that had a check engine light and a p0170 was the number and that was the exact fix....PCM update. Something to the effect of a sensor was too sensitive and the update retards the sensitivity a bit.
There's a thread in this form somewhere regarding that code where I posted all my information.
There's a thread in this form somewhere regarding that code where I posted all my information.
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Mountain Pass
Joined: Nov 2019
Posts: 176
Likes: 22
Mine was “DPF efficiency below threshold” (P2002, I think). Ford replaced the entire converter assembly (DPF, catalyst, and SCR) under warranty. This was accompanied by occasional exhaust smoke... and dirty exhaust tips.
Cargo Master
Joined: Feb 2015
Posts: 2,338
Likes: 255
From: Livermore Ca.
This is the problem with codes. A single code could mean many things and you can chase your tail and spend lots of money replacing parts and still not fix the problem. Sometimes its best to have your dealer fix the problem.
Posting Guru
Joined: Aug 2007
Posts: 1,902
Likes: 26
From: BA, OK
I don't have anything helpful to add about what the issue could be so here is what the 2016 Factory Service Manual has to say about that code. Hopefully somebody will come along with some help or this info will point you in the direction of the problem.
Is your intake stock or aftermarket?
Is your intake stock or aftermarket?
Senior User
Joined: Feb 2020
Posts: 396
Likes: 10
From: Fort Mill SC
Should not have been any charge for the update from Ford. The IDS software is available for free download from MotorCraft website. This IDS software has the latest calibration files and PCM/ECU flash info.
https://www.motorcraftservice.com/Di...categoryId=276
https://www.motorcraftservice.com/Di...categoryId=276
Cargo Master
Joined: Feb 2015
Posts: 2,338
Likes: 255
From: Livermore Ca.
There is a recall on the Crank case ventilation system. You need to take your vin to the dealer and see if your truck is effected. It looks like there may be a leak in the intake somewhere. Is your CAC pipe still stock? How is your boost? Is your air filter clean?