The saw has spark at the plug, but the fuel pump doesn't prime.
The latest iteration of STIHL's engine management, featuring improved calibration routines. Fuel Injection (i): stihl diagnostic software 2.0
Experienced users of Stihl Diagnostic Software 2.0 quickly memorize these common codes: The saw has spark at the plug, but
Before the advent of electronic engine management, diagnosing a STIHL product was a tactile, auditory, and olfactory process. A mechanic would listen to the idle, smell the exhaust, feel the throttle response, and manually adjust the carburetor’s high and low-speed screws. This art form worked for decades, but it had limitations. Minor air leaks, failing ignition modules, or early-stage fuel injection problems could be maddeningly intermittent. A mechanic would listen to the idle, smell
For M-Tronic models, SDS 2.0 can perform a hard reset and recalibrate the fuel settings and ignition timing—tasks that are often impossible with standard hand tools.
After replacing critical components (like a carburetor, solenoid, or complete engine), the software performs mandatory calibration routines: