MEGAsquirt A place to collectively sort out this megasquirt gizmo

Troubleshooting wideband

Thread Tools
 
Search this Thread
 
Old 08-17-2011, 12:51 PM
  #1  
Senior Member
Thread Starter
iTrader: (3)
 
dieselmiata's Avatar
 
Join Date: Apr 2011
Location: Volo, IL
Posts: 1,356
Total Cats: 154
Default Troubleshooting wideband

I've got a DIYPNP running with an MTX-L wideband, and am trying to make sure my connections are good. When setup on VE analyze live it maintains pretty close to my targets, but still jumps around a bit. It is a little off from Tunerstudio readout, but seems to be normal when driving. Anyway, This screenshot shows my AFR reading jumping around, is it normal for is to be cyclic? Or is it supposed to be closer to a flat line?
I have the ground and signal wires running parallel under the console back to the PNP going through the DB9 connection, so maybe I'm picking up signal noise. Should I ground it closer to the gauge itself?
Attached Thumbnails Troubleshooting wideband-autotune-81711.jpg  
dieselmiata is offline  
Old 08-17-2011, 07:05 PM
  #2  
Junior Member
 
giblets's Avatar
 
Join Date: Jul 2010
Posts: 91
Total Cats: 2
Default

That's a crazy looking fuel map you've got there.

What is the horizontal range of that graph?
giblets is offline  
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
bigmackloud
Miata parts for sale/trade
19
01-08-2021 11:24 AM
Goldwar
DIY Turbo Discussion
2
09-29-2015 09:20 AM
btabor
ECUs and Tuning
10
09-28-2015 05:33 PM
itsMikey
MSPNP
3
09-28-2015 06:40 AM



Quick Reply: Troubleshooting wideband



All times are GMT -4. The time now is 03:19 AM.