[Diy_efi] Effect of detonation on measured mixture?

[les]

They avoid that bumpy road mis-reading by also looking at 
the wheel sensors for the ABS system. The system can tell the
car is on a bumpy road from that data, apparently.

-Les

> Early gm systems were so "sensitive" that they would flag 
> bumps on the road as misfires.  Well, they did cause changes 
> to the crankshaft acceleration rates.  But I wouldn't call 
> that sensitivity, I would call it "in need of improvement."
> 


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