TunerPro User Forum

This requires that you send a ALDL Mode 4 message, however, I don't know if EGR is one of the parameters that can modified. Well, let's say I figure out the specific byte sequence to send - how do I go about executing that in TunerPro? I've seen the command/macro editing stuff - I had to hack a def...

New TunerPro user. I don't do tuning, but got a cable so I could do some diagnostics on a 1995 GMC K/2500 7.4L I'd like to issue a command to open the EGR valve to 'x' (while at idle), to verify that it is operational. I've absolutely no clue how to accomplish this - I've got it that I need to use t...