Problem 10 - Engine Cranks But Won't Start - Guardian 5240 Diagnostic Repair Manual

DC CONTROL
TEST 51 - CHECK
GOOD
FUEL SUPPLY
AND PRESSURE
BAD
FIND AND CORRECT
CAUSE OF NO FUEL
OR LOW PRESSURE
CHECK AIR FILTER -
REPLACE AS NEEDED
TEST 55 -
CHECK FOR
GOOD
IGNITION
SPARK
BAD
TEST 58 - CHECK
SHUTDOWN
WIRE
BAD
REPAIR OR
REPLACE SHORTED
WIRE 18 OR CIRCUIT
BOARD
PART 4

Problem 10 - Engine Cranks but Won't Start

TEST 52 - CHECK
CIRCUIT BOARD
WIRE 14 OUTPUT
BAD
REPLACE CIRCUIT BOARD
GOOD
REPAIR OR REPLACE
TEST 56 -
CHECK SPARK
PLUGS
BAD
CLEAN,
REGAP OR
REPLACE
TEST 59 - CHECK
GOOD
AND ADJUST
IGNITION
MAGNETOS
BAD
ADJUST OR
REPLACE
TROUBLESHOOTING FLOW CHARTS
TEST 53 - CHECK
GOOD
FUEL SOLENOID
REPLACE FUEL SOLENOID
TEST 12A - CHECK
GOOD
STEPPER MOTOR
CONTROL
BAD
TEST 62 - CHECK
AND ADJUST
GOOD
VALVES
BAD
READJUST
CHECK
FLYWHEEL
KEY TEST 59
REFER TO ENGINE
SERVICE MANUAL
SECTION 4.3
SINGLE CYLINDER UNITS
V-TWIN UNITS
BAD
TEST 54 - CHECK
CHOKE SOLENOID
BAD
REPLACE CHOKE SOLENOID
TEST 57 - CHECK
ENGINE
GOOD
COMPRESSION
GOOD
TEST 63 - CHECK
GOOD
FUEL REGULATOR
BAD
REPAIR OR
REPLACE
GOOD
BAD
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