DIAGNOSIS HELP PLEASE!

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Jun 16, 2019 | 04:39 PM

Clayton Barney

Thread Starter

New User

Joined: Jun 2019

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NEED HELP! 6.0 problems

2003 6.0 diesel excursion . Recently cleaned MAF sensor and new air filter due to truck losing power and sputtering at around 60mph. Truck will completely die if I apply brakes too hard after about 20 minutes of driving. It run beautifully until around that 20 minute mark.
Would it be a pressure issue? ICP sensor? Bad MAF sensor?
Please let me know of any ideas on how to fix this, because she is my everyday driver.
Thanks!

Jun 16, 2019 | 04:53 PM

Visurveyor

Fleet Mechanic

Joined: Jul 2018

Posts: 1,629

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From: Jacksonville Florida

I'll go ahead and tell you what I'm guessing most on here will say. You have to have some way of reading codes. Do you have any kind of scan tool, Torque Pro, forscan or something of the like . You have to have a way on these motors to monitor different readings.
Icp
Ipr
Eoc temp
Ect temps
Ficm voltage
There are many more. You have to have some info on whats going on to start to diagnose a problem.

Jun 16, 2019 | 05:02 PM

Visurveyor

Fleet Mechanic

Joined: Jul 2018

Posts: 1,629

Likes: 103

From: Jacksonville Florida

You can purchase Torque Pro 4.99 for an Android, forscan 5.99 for Android both can be downloaded for Apple iPhones to.
Elm327 bluetooth dongle for Android. Wifi dongle for I-phones. Somewhere around $30.00.
Definitely a must have for 6.0's

Jun 16, 2019 | 07:36 PM

Powerstroke2004.5

Senior User

Joined: May 2019

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Torque pro... fo sho!!!!!

Jun 16, 2019 | 07:47 PM

mach158

Cross-Country

Joined: May 2019

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Anyway to pull or monitor data? Are you able to check fuel pressure? Having that information will bring to light a more precious idea of what is happening ideally.

Jun 16, 2019 | 08:05 PM

bismic

Fleet Owner

Joined: Nov 2003

Posts: 27,924

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I have found ForScan Lite to be a better code reader, but Torque Pro is maybe a little nicer layout for watching engine parameters.

Jun 18, 2019 | 08:20 AM

Maxium4x4

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Joined: Jul 2004

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From: Ohio

Quote:

Originally Posted by mach158

Anyway to pull or monitor data? Are you able to check fuel pressure? Having that information will bring to light a more precious idea of what is happening ideally.

Completely agree with this statement, we need information to help you.

How many miles, past history. It needs 3 things, oil pressure, fuel pressure and electric to run. A metric port is supplied on the upper fuel filter housing for a reading on what fuel pressure you have. Do not throw parts at it, that will get expensive quickly.

I merged both of your posts to reduce confusion and help you diagnose.