AutoEnginuity results - Ford Powerstroke Diesel Forum
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post #1 of 16 Old 07-20-2013, 08:29 AM Thread Starter
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AutoEnginuity results

Can someone help diagnose these power balance results.
On a side note, i cant get AE to buzz injectors.

AutoEnginuity results-imageuploadedbyautoguide1374334089.663873.jpg

AutoEnginuity results-imageuploadedbyautoguide1374334110.765076.jpg

AutoEnginuity results-imageuploadedbyautoguide1374334126.052513.jpg




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post #2 of 16 Old 07-20-2013, 12:54 PM Thread Starter
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Somebody? Does this look acceptable or is injector 4 and 5 not looking good?


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2003 Silver 6.0L PSD CC/SB FX4
EGR Delete, Oil Cooler upgrade
Blue Spring & Banjo Bolt Upgrade
AFE Stage II Intake, MBRP Straight 4" Turbo back
RBP 6" tip
SCT Custom Tuned
Autometer GS series
BFG A/T 285s
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Recon Interior L.E.D.
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Custom Fiberglass Center Console
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post #3 of 16 Old 07-20-2013, 02:07 PM
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do you feel anything when the truck is idling?

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post #4 of 16 Old 07-20-2013, 04:23 PM Thread Starter
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Yea, sometimes its fine and then other times it shakes like a miss and you can feel it randomly when driving. It occurs randomly though... I tried to see if there was any correlation between ckp/cmp not syncing but nope


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2003 Silver 6.0L PSD CC/SB FX4
EGR Delete, Oil Cooler upgrade
Blue Spring & Banjo Bolt Upgrade
AFE Stage II Intake, MBRP Straight 4" Turbo back
RBP 6" tip
SCT Custom Tuned
Autometer GS series
BFG A/T 285s
Recon Smoked Cab Lights
Recon Interior L.E.D.
Recon 3rd Brake L.E.D.
Custom Fiberglass Center Console
Two 10" Sundown Sa4's, Hifonics 1200 RMS mono
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post #5 of 16 Old 07-20-2013, 04:57 PM
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When you do this test your RPM must be stable or the test is not valid. If your RPM was stable, it shows a drop from 5, 6, and maybe 7? (I can't read your numbers from the photos.) To confirm, you could unplug one of the injectors to see a complete fail vs a stiction or smaller contribution issue.

You can do this at various RPM, but again, if the RPM is not stable the test means nothing.

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post #6 of 16 Old 07-20-2013, 08:49 PM Thread Starter
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The rpms are stable. This was at idle for about two minutes.. the truck will shake because of the miss not because of fluctuating rpm. I also tested it with high idle on, and commanded injector 4 off ( that looks to be the issue because 5 and 6 are directly following 4 in the firing order and they all drop


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2003 Silver 6.0L PSD CC/SB FX4
EGR Delete, Oil Cooler upgrade
Blue Spring & Banjo Bolt Upgrade
AFE Stage II Intake, MBRP Straight 4" Turbo back
RBP 6" tip
SCT Custom Tuned
Autometer GS series
BFG A/T 285s
Recon Smoked Cab Lights
Recon Interior L.E.D.
Recon 3rd Brake L.E.D.
Custom Fiberglass Center Console
Two 10" Sundown Sa4's, Hifonics 1200 RMS mono
Optima Batteries
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post #7 of 16 Old 07-21-2013, 06:03 AM
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I only asked about the RPM since as you probably know, if you adjust the RPM after you start the test the graph will wave and if RPM change was large enough, it disappears off the screen.

The other injectors should increase unless they are slightly off as well. Unfortunately the AE doesn't allow for removal of the correction for under-performing injectors. Without compensation, it would look worse.

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post #8 of 16 Old 07-23-2013, 05:54 AM
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When the truck is missing try to shut off one injector at a time using the acuation tab on the AE. If i can't figure it out after a day, ill just take it to my buddy's shop and have him hook up his IDS and he can pin it down to which injector in a few minutes. You might want to take it to ford and have them run an injector balance test on it.

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post #9 of 16 Old 07-23-2013, 06:34 AM Thread Starter
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Quote:
Originally Posted by jtaylor75 View Post
When the truck is missing try to shut off one injector at a time using the acuation tab on the AE. If i can't figure it out after a day, ill just take it to my buddy's shop and have him hook up his IDS and he can pin it down to which injector in a few minutes. You might want to take it to ford and have them run an injector balance test on it.
ae wont let me actuate anything while running the power balance test. It says function not supported. I Have to disconnect and then reconnect to be able to actuate after the test. Im kind of bummed - thought ae would be able to pinpoint my problems. Ford wants $190 for any type of diagnostic no matter how long it takes


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2003 Silver 6.0L PSD CC/SB FX4
EGR Delete, Oil Cooler upgrade
Blue Spring & Banjo Bolt Upgrade
AFE Stage II Intake, MBRP Straight 4" Turbo back
RBP 6" tip
SCT Custom Tuned
Autometer GS series
BFG A/T 285s
Recon Smoked Cab Lights
Recon Interior L.E.D.
Recon 3rd Brake L.E.D.
Custom Fiberglass Center Console
Two 10" Sundown Sa4's, Hifonics 1200 RMS mono
Optima Batteries
Meyers 7.5C Plow
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post #10 of 16 Old 07-23-2013, 06:44 AM
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try turning off the injector while your not running the power balance test. Turn them off one at a time a listen for the difference in the sound your engine is making. The injector that has the least amount of tone change in the engine is going to be the bad or weak one.

06 CCSB FX4 Lariat

Studded and Deleted, Warren 190/100s, Barder Stage 4, Built Trans, AIS Water/Meth, S&B intake, 4 inch Exhaust

Next:
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