To Next Page

To Previous Page

Section 5 Engine Diagnostic Tests

Diagnostic Repair Manual 25

Problem 16 – Engine Starts Hard and Runs Rough (220/410/530cc Non-EFI Engines)

Problem 17 – Engine Starts Then Shuts Down (220/410/530cc Non-EFI Engines)

Problem 18 – Battery Will Not Charge (220/410/459/530cc Engines)

REPAIR

OR REPLACE

REPAIR

OR REPLACE

BAD

GOOD

TEST 20 –

CHECK

SPARK

CHECK FUEL

SUPPLY

CHECK CHOKE

POSITION AND

OPERATION

TEST 21 –

CHECK

SPARK PLUG

TEST 22 –

CHECK

CARBURETION

TEST 24 –

CHECK VALVE

ADJUSTMENT

CHECK FLYWHEEL KEY

TEST 25 – CHECK

ENGINE / CYLINDER

LEAK DOWN TEST /

COMPRESSION TEST

REPLACE SPARK PLUG

PUSH IN AFTER

STARTING

REPLENISH

FUEL

SUPPLY

REPAIR OR REPLACE AS NECESSARY

REFER TO ENGINE SERVICE MANUAL

P/N 0C1103A FOR FURTHER ENGINE

SERVICE INFORMATION

GOOD

ENGINE MISFIRE

APPARENT

LOW FUEL

BAD

ADJUST VALVES

AND RETEST

BAD

TEST 30 – CHECK

AND ADJUST

GOVERNOR

BAD

REPLACE

REPLACE MAGNETO

GOOD

TEST 27 –

CHECK

FLYWHEEL

REPLACE SWITCH

REPLACE OIL

PRESSURE MODULE

BAD

TEST 31 – TEST OIL

PRESSURE SWITCH

TEST 17 – TEST

START-RUN-STOP

SWITCH

REPLACE SWITCH

REPLENISH

OIL

GOOD

OIL LEVEL O.K.

OIL LEVEL LOW

BAD

CHECK ENGINE

OIL LEVEL

REPLACE

BAD

REPLACE FUSE

BAD

END TEST

GOODGOOD

TEST 14 –

CHECK 1.5

AMP FUSE

TEST 35 – TEST BATTERY

CHARGER

(Non-EFI Units)

TEST 36 – TEST BATTERY

CHARGING CIRCUIT

(EFI Units)

Brand	Generac Power Systems
Model	XT-EFI Series
Category	Portable Generator
Language	English

Generac Power Systems XT-EFI Series User Manual

Table of Contents

Questions and Answers:

Generac Power Systems XT-EFI Series Specifications

Related product manuals