ECMlink rpm drop

[ariman]

Somebody can tell me why my rpm drop, sec 11,959 do 12.802
thank you

 

[GST with PSI]

Can you give a little info about the driving conditions (outside temp, what you were doing, gear, etc.)? Also, take the time to answer the questions below, it will help from having to ask you 1,000 other questions.

1). Any boost, vac, or exhaust leaks?

2). Verified mechanical timing?

3). Verified base timing?

4). Ignition system

5). Motor health (Compression Test)
Cylinder 1:
Cylinder 2:
Cylinder 3:
Cylinder 4:

6). Performed basic throttle body adjustments?
Idle Switch:
Throttle Cable:
TPS:
BISS:

7). Compression ratio

8). Any known bad sensors or brittle wiring?

9). Any DTC/CEL codes?

10). Electrical system
Car off (not running):
Car running:

11). Base fuel pressure and injector values
Base Fuel Pressure:
Injector Size (cc/min):

12). Properly calibrated and configured wideband sensor
Sensor Brand:
Calibration Date:

13). Type of fuel
Type:
Percent of Ethanol:

14). Watched ECMlink how-to videos?