Gasoline Powertrain - Club Car Onward 2018 Maintenance And Service Manual

18
Troubleshooting Guide

GASOLINE POWERTRAIN

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TROUBLESHOOTING GUIDE
SYMPTOM
Engine does not start easily.
Engine starts but does not run smoothly.
TABLE CONTINUED ON NEXT PAGE
Page 18-4 2018 Onward Maintenance and Service Manual
POSSIBLE CAUSES
Spark plug is partially fouled or in poor
condition
Spark plug is damaged or loose
Incorrect spark plug gap
Spark plug wire is damaged or loose
Loose or bad wire connection at ignition coil,
EFI sensors, or ECU
Intermittent ignition coil failure
Low fuel level in fuel tank
Fuel line pinched or clogged
Poor fuel quality or contaminated fuel
Fuel pump malfunction; fuel pressure to
throttle body too low
Water or dirt in the fuel system and/or throttle
body/fuel injector; dirty or clogged fuel filter
Throttle body dirty or improperly adjusted
Low cylinder compression
Cylinder head bolts not tighten properly
Intake or exhaust valve not sealing
Incorrect valve clearance
Vacuum leak
Starter/generator belt is slipping
Spark plug is fouled or in poor condition
Spark plug wire is damaged or loose
Intermittent ignition coil failure
Water or dirt in the fuel system and/or throttle
body/fuel injector; dirty or clogged fuel filter
Fuel pump malfunction; fuel pressure to
throttle body too low
TROUBLESHOOTING AND ELECTRICAL
SYSTEM – SUBARU EX40
CORRECTIVE ACTION
Clean or replace
Replace or tighten
Adjust gap
Replace or reconnect
Test Procedures 14 – Ignition Spark or 15
– Ignition Coil or 4 – EFI System (ECU and
Sensors)
Test Procedures 14 – Ignition Spark and 15
– Ignition Coil
Refill
Clean or replace
Replace
Section 21 — Fuel System – Subaru EX40
Section 21 — Fuel System – Subaru EX40
Clean or adjust. Section 21 — Fuel System –
Subaru EX40
Section 20 — Engine – Subaru EX40
Check and retighten. Section 20 — Engine –
Subaru EX40
Repair. Section 20 — Engine – Subaru EX40
Adjust. Section 20 — Engine – Subaru EX40
Retighten hardware or replace gasket(s)
Belt Tension Adjustment for EFI Engines on
page 19-13
Section 20 — Engine – Subaru EX40
Section 20 — Engine – Subaru EX40
Test Procedures 14 – Ignition Spark and 15
– Ignition Coil
Section 21 — Fuel System – Subaru EX40
Section 21 — Fuel System – Subaru EX40