[Diy_efi] (no subject)

[teeleton at philter.com]

Have you taken a datalog and looked at the RPM values in the datalog? 
WinALDL is only going to log events in the 400 RPM area if the datastream 
is indicating that the engine is at 400 RPM.  It sounds to me like your 
RPM/MAP values are wrong.

On Fri, 24 Jun 2011, Ashley Wagner wrote:

> Hello,  I am working with a 7747 and the esc module does not seem to
> hear the knock sensor or when it does it is at the wrong MAP/RPM. I
> installed a knock sensor in the side of the block at the coolant
> drain. When I tow with the truck I get a lot of pinging/
> predetonation. During one drive these pings were recorded correctly
> at there respective RPM/MAP positions. But since that time they show
> up at the edges of the  WINALDL map while datalogging. By that I mean
> they are in the 400 RPM or the 1000 MAP rows and columns. I replaced
> one ESC module as it was faulty and the situation improved however
> the pinging and incorrect data values continue, Any suggestions?
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