They have incorrectly labeled the MDP Sensor as "EGR Temperature", way down the list. This will make the values read true percentages of fuel being added or removed by the fueltrims.ģ. Instead, change the old formula 0.78125*x to the new formula: (x/4)-32 for all 4 fueltrims, even though 2G's don't use the HIGH TRIM. Its the same old formula everyone used for 1G fueltrims, which yielded the strange 81-140 values, which don't really tell you anything. I don't like the formula they are using for the 4 fueltrim values. The correct address for 1997+ ECU's is 26.Ģ. Very simply, just Right-Click on the Knocksum line, click "Edit", then under "RequestID" change it to 3E, if not already. Otherwise you will just see a value that changes from 0 to 1. ![]() ![]() The 1995/96 ECU's use a different address to log knock than the 1997+ ECU's, so you need to make sure that you set the address for "Knocksum" to 3E when logging a 1995 EPROM ECU. Right click the Oxygen Sensor Voltage field and put in the requestid field: 13ġ. that should be knock sum on your vehicle. Right click the knock sum field and select edit. Enter this code into the EvoScan Custom Request box after Start Datalogging is successfully connected.
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