News:

When asking for technical help at the very least let us know the version of firmware you are running.
Cliff's Calibration (Mapping) Guide is a MUST READ: http://www.vemssupport.com/forum/index.php/topic,97.0.html

Main Menu

Misfire detection in 1.1.44 and later

Started by dnb, March 01, 2009, 07:29:15 AM

Previous topic - Next topic

dnb

Seems to work!  If rdiff0 to 7 are plotted out in excel then the rdiff trace corresponding to the coil that has been disabled becomes different to the rest...  Well done on getting a very useful but tricky feature to work!

I just need to work out why the TVR decides that 6 is a good number from time to time now. ;)

Sprocket

I find missfire detection is showing a missfire at idle on my engine, even though I know that it is not missfiring :-\

dnb

Mine too, but it's not intended to detect misfire at idle with very wild cams, since they tend to idle all over the place. 

Turn on 4 of the rdiff[n] gauges on MT and rev the engine.  The gauges should all point at zero if there's no misfire - these are all logged so you can see if you get high rev misfires after the fact and which cylinder is responsible.