DeWalt DXGN6000 - Problem 12: Erratic Idle; Engine Hunting; Problem 13: Engine Will Not Crank

Section 3 Engine Diagnostic Tests
Diagnostic Repair Manual 23
Problem 12 – Engine “Hunts” / Erratic Idle
Problem 13 – Engine Will Not Crank
Problem 14 – Recoil Cord Will Not Pull (If So Equipped)
BAD
BAD
REPLACE
REPLACE IGNITION COIL
REPAIR OR
REPLACE
GOOD
BAD
BAD - ENGINE
MISS APPARENT
GOOD
TEST 23 –
CHOKE TEST
TEST 20 –
CHECK
IGNITION
SPARK
TEST 21 – CHECK
SPARK PLUG
TEST 26 –
CHECK
IGNITION COIL
pg g
ADJUST / RE-TEST
TEST 24 – CHECK
VALVE
ADJUSTMENT
NO
SURGING
STILL
SURGING
TEST 22 –
CHECK
CARBURETION
GOOD
TEST 29 – CHECK
AND ADJUST
GOVERNOR
BAD
RECHARGE OR REPLACE BATTERY
– CLEAN, REPAIR OR REPLACE
BAD CABLE(S)
BAD
REPLACE
BAD
GOOD
NO VOLTAGE
MEASURED
BAD
12 VDC
MEASURED
REPLACE STARTER
MOTOR IF DEFECTIVE
GOOD
CHECK FOR MECHANICAL BINDING
OF THE ENGINE OR ROTOR
TEST 15 – CHECK
BATTERY
& CABLES
TEST 17 – CHECK
START-RUN-STO
P SWITCH
TEST 19 – CHECK
STARTER MOTOR
TEST 16 – CHECK
VOLTAGE AT
STARTER
CONTACTOR
NOTHING
FOUND
FIX BAD COMPONENT
BAD
VISUALLY INSPECT FOR OBSTRUCTIONS
THAT WOULD CAUSE BINDING OF THE
RECOIL ONCE INSTALLED
AN INTERNAL ENGINE FAILURE HAS OCCURED.
POSSIBLE FAILURE COULD BE THE RESULT OF
A COMPRESSION RELEASE FAILURE. CONSULT
ENGINE SERVICE MANUAL P/N 0C1103A FOR
FURTHER ENGINE SERVICE INFORMATION.
VISUALLY INSPECT EXTERNAL
COMPONENTS FOR A FAILURE
THAT WOULD CAUSE THE
ENGINE TO BE SIEZED
REPLACE
BAD
BAD
GOOD GOOD
TEST 34 –
TEST ENGINE
FUNCTION
TEST 33 – TEST
RECOIL
FUNCTION