Scan Tool Readings

[KPSNOOKA]

I PUT A CODE READING SCAN TOOL ON MY TRUCK WITH THE ENGINE RUNNING FOR ABOUT 5 - 10 MIN. AND THIS IS WHAT I CAME UP WITH :

 

ST FTRM1 % -1.5 TO 2.3

 

LT FTRM1 % 7.8

 

ST FTRM2 % -0.7 TO -1.5

 

LT FTRM2 % 4.6

 

MAP 9.1

 

TIMING 22 DEGREES ADVANCED

 

O2S11 1.5 %

 

O2S12 N/A %

 

O2S21 0.7 TO 2.3 %

 

O2S22 N/A %

 

RPM'S 620-640

 

 

CAN ANYBODY TELL ME WHAT ALL THIS MEANS ????

 

THANK YOU ALL VERY MUCH. I AM LOST ON ALL THIS STUFF.

[Draenor]

Short Term Fuel Trim

Long Term Fuel Trim

Manifold Absolute Pressure

Timing

O2 Sensors Banks 1/2

Revolution per Minute