Snapon Diagnostics Product Forums Diagnostic Home . Diagnostic Product Index . Customer Care        
Diagnostic SoftwareDiagnostic PlatformsAsk-a-Tech, Automotive Repair InformationTech Central
Go Back   Snapon Diagnostics Product Forums > Snap-on Diagnostic Products > Diagnostic Platforms > Verus User Forum
Home Today's Posts Register Members List FAQ
Thank you for visiting Snap-on Diagnostics Product Forums.
You are currently NOT logged in to a registered account. Some functions of Snap-on Diagnostics Product Forums will not be available to you if your are not logged in as a registered member. For a limited time only, registrationto Snap-on Diagnostics Product Forums to Snap-on Diagnostics Product Forums is !! FREE !! Select the    **REGISTER NOW**    link to register for your FREE Snap-on Diagnostics Product Forums account!!

Reply
 
Thread Tools Display Modes
  #11  
Old 06-01-2021, 09:29 AM
zjeep zjeep is offline
Junior Member
 
Join Date: Jun 2008
Posts: 7
zjeep Congratulations!  Your peers have given you enough reputation to put you into the fist level!

Default

Then what's the purpose of the power balance test. Not trying to be smart axe just trying to learn something.
Reply With Quote
  #12  
Old 06-02-2021, 08:57 AM
Glide Glide is offline
Senior Member
 
Join Date: Jan 2015
Posts: 280
Glide Made it to level 2!  Looks like you are on your way to becoming famous

Default

Quote:
Originally Posted by zjeep View Post
Then what's the purpose of the power balance test. Not trying to be smart axe just trying to learn something.
If the rpm drop when the injector is disabled is less than the other cylinders,that would indicate that that injector is passing less fuel.This only works if the cylinder isn't dead for another reason (incorrect voltage or ground to injector,spark,compression).At least it sends you to the affected cylinder(s).
'14 and up GM gas vehicles can have up to three different flow numbered injectors,see the TSB that I referenced in a previous post.GM has a 'Active Fuel Injector Tester" to test individual injectors.
No scan tool is a magic wand.
Reply With Quote
  #13  
Old 06-02-2021, 10:11 AM
zjeep zjeep is offline
Junior Member
 
Join Date: Jun 2008
Posts: 7
zjeep Congratulations!  Your peers have given you enough reputation to put you into the fist level!

Default

Glide, thank you for your replies. I am aware of everything you said, I guess I was trying to use the test not the way it was designed to be used. I assumed it was like the older injector balance test that was done KOEO. I know you have to run GDI KOER.
Reply With Quote
  #14  
Old 06-02-2021, 11:25 AM
Glide Glide is offline
Senior Member
 
Join Date: Jan 2015
Posts: 280
Glide Made it to level 2!  Looks like you are on your way to becoming famous

Default

Yes,the injector balance test was better for watching pressure drop for sure.
Reply With Quote
  #15  
Old 06-18-2021, 03:03 PM
phill57 phill57 is offline
Senior Member
 
Join Date: Oct 2007
Posts: 472
phill57 Made it to level 2!  Looks like you are on your way to becoming famous

Default glitch

Quote:
Originally Posted by JBakke View Post
Our development team has reviewed your submission and has the following findings:

Only the the pressure drop values the controller returned are displayed. All cylinders are using the same conversion equation.


The current implementation is as designed and no changes have been made. Please let us know if there are any additional questions regarding this issue.
I don't understand what that means. with the older software it would show 8 cylinders while it was testing them then with the current software it only shows six cylinders even though it appears to test all 8. Please look at the two images I posted.

The test is a waste of time in my opinion anyways. I have tested several trucks that don't have any know problems and the all test lower on bank 1. This even comes up using GM GDS so it's not the scan tool at fault. I wonder if it has something to do with the location of the fuel rail pressure sensor as it is on the rail on bank 1.
Reply With Quote
Reply


Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off



All times are GMT -7. The time now is 07:22 AM.


Reminder: Your participation in these areas of the site is solely at your own risk. The
information is only the opinion of the poster, is no substitute for your own research,
and should not be relied upon for business critical decisions or any other purpose.
Never assume that you are anonymous and cannot be identified by your posts.
We reserve the right to discontinue any users' use of any such public forum
for any reason. Please read the Terms of Service.

Snap-on is a trademark, registered in the United States and other countries, of Snap-on Incorporated. Other marks are marks of their respective holders.
©2009 Snap-on Incorporated. All rights reserved.