GMPP LS high idle

[Pekka Berkeles]

Some GMPP LS engines have tendency to idle at 950.

Not a problem anymore:

https://forum.hptuners.com/showthrea...-ls3-high-idle

Also if you have surging or bucking, that can be fixed as well. Most typically it is related to an unstable MAF. Just unplug MAF and check if surging goes away.



This is from stock LS3 with unstable MAF:

[Bowtie racing]

Thank you Pekka!