![Craftsman Speed Start 316.79401 Series Operator'S Manual Download Page 21](http://html.mh-extra.com/html/craftsman/speed-start-316-79401-series/speed-start-316-79401-series_operators-manual_68759021.webp)
21
The fuel tank is empty
Fill the fuel tank with fresh fuel
The primer bulb was not pressed enough
Press the primer bulb 10 times or until fuel is visible
The fuel is old (over 30 days)
Drain the fuel tank and add fresh fuel
The spark plug is fouled
Replace the spark plug
TROUBLESHOOTING
The fuel is old (over 30 days)
Drain the fuel tank and add fresh fuel
The air filter is dirty
Clean or replace the air filter
PROBLEM
SOLUTION
The air filter is dirty
Clean or replace the air filter
The fuel is old (over 30 days)
Drain the fuel tank and add fresh fuel
The idle speed is incorrect
Adjust the idle speed
The fuel is old (over 30 days)
Drain the fuel tank and add fresh fuel
The air filter is dirty
Clean or replace the air filter
The spark plug is fouled
Replace the spark plug
THE ENGINE WILL NOT START
THE ENGINE WILL NOT IDLE
THE ENGINE WILL NOT ACCELERATE
THE ENGINE LACKS POWER OR STALLS