Quote:
Originally Posted by Gutterboy
Gonna do some logs of my MAP voltage at idle vs wide open throttle....
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Did this and oft reveals map showing random jumps from 5 to 6 psi at idle to 37 which then ignition advance steps in to correct and bogs idle down to stall.
Only thing I don't understand is how manifold absolute pressure shows positive 5 psi or so at idle while boost from ecu is showing negative pressure for vaccum which is what one would expect and coincides with what my scg-1 boost controller reads and is calibrated for altitude at.
Can't explain that.