EGR Delete Codes

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Apr 15, 2018 | 02:33 PM

#31

arayray94

Thread Starter

Junior User

Joined: Feb 2016

Posts: 53

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MAF Values:

KOEO:
0 g/s

Idle:
35.9 g/s

High idle:
64 g/s

2500 rpm:
135 g/s

Cruising 70 mph (previous data from post #23)
180 g/s

This was all at operating temperatures.

Apr 15, 2018 | 10:30 PM

#32

BLADE35

Hotshot

Joined: Apr 2010

Posts: 19,072

Likes: 242

From: Saratoga Springs,UT

your 2500rpm G/s looks really high compared to marks

MAF needs troubleshoot could be bad sensor or bad Vref

Apr 15, 2018 | 10:44 PM

#33

arayray94

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Junior User

Joined: Feb 2016

Posts: 53

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I'm going to do the MAF volt check mentioned in post #21, what conditions should I test at? Idle, high idle and 2500rpm again?

Apr 15, 2018 | 11:00 PM

#34

BLADE35

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Joined: Apr 2010

Posts: 19,072

Likes: 242

From: Saratoga Springs,UT

looking in the 6.0L Bibble there is a chart for comparison for MAF G/S to MAF Volts the chart was not in grid form so kinda guessing but relatively close you MAF is 1 Volt Higher then OEM Spec that's a lot considering the system operates on 5 volt Vref

you need a DVM to troubleshoot the sensor make sure its getting Vref and ground etc....if those check ok the possibly consider replace the sensor

Ideally you would also post MAP Values with MAF values all taken at same time since the PCM is calling P006a Map/MAF Corralation

Apr 15, 2018 | 11:05 PM

#35

BLADE35

Hotshot

Joined: Apr 2010

Posts: 19,072

Likes: 242

From: Saratoga Springs,UT

SENSOR OPERATING VALUES PDF

https://www.ford-trucks.com/forums/attachment.php?attachmentid=71501&d=1364848489

6.0L Bible
https://www.ford-trucks.com/ford-man...eTableBook.pdf

full page engine wire diagram
https://www.ford-trucks.com/forums/attachment.php?attachmentid=172527&d=1485755349

id try the troublesoot in post 21 too
maybe the hotwire is messed up

Apr 15, 2018 | 11:20 PM

#36

arayray94

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Junior User

Joined: Feb 2016

Posts: 53

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Awesome information, thank you!

Apr 16, 2018 | 03:47 AM

#37

bismic

Fleet Owner

Joined: Nov 2003

Posts: 27,923

Likes: 3,640

MAF sensor flow and voltage correlation

Edit - anyone else getting the "Dallas Cloudfare" error when trying to open an attached pic?
I can't view my own attachment, but maybe others can.

Apr 16, 2018 | 03:56 AM

#38

David7.3

Postmaster

Joined: Jun 2014

Posts: 3,206

Likes: 3

From: Oakhust NJ Jersey Shore

Great info guy's keep it up

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Apr 16, 2018 | 07:21 AM

#39

Tideman

Fleet Mechanic

Joined: Nov 2008

Posts: 1,443

Likes: 9

From: South Alabama

Mark on some post here recently all i see is a small square. When i tap on that sometimes i get a picture some times it states that photo could not be opened. By the way your post had 1 picture. Dont know what “Dallas Cloudfare” is.

sorry for the hijack