Hyundai 2.4L LPG Applications LIGHT DUTY FUEL SYSTEM SERVICE MANUAL – PDF

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Hyundai 2.4L LPG Applications LIGHT DUTY FUEL SYSTEM SERVICE MANUAL – PDF DOWNLOAD

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Hyundai 2.4L LPG Applications LIGHT DUTY FUEL SYSTEM SERVICE MANUAL – PDF DOWNLOAD

Language : English
Pages : 325
Downloadable : Yes
File Type : PDF

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TABLE OF CONTENTS:

Hyundai 2.4L LPG Applications LIGHT DUTY FUEL SYSTEM SERVICE MANUAL – PDF DOWNLOAD

GENERAL INFORMATION 3
TABLE OF CONTENTS 4
EMISSION CERTIFIED ENGINE SYSTEM SCHEMATICS 9
LIGHT DUTY LPG DEDICATED SYSTEM 9
LIGHT DUTY GASOLINE DEDICATED SYSTEM 10
LIGHT DUTY GASOLINE & LPG BI-FUEL SYSTEM 11
LIGHT DUTY OPEN LOOP LPG SYSTEM 12
LIGHT DUTY CLOSED LOOP GASOLINE SYSTEM 13
INTRODUCTION 14
FUEL SYSTEM WARNINGS AND CAUTIONS 14
PROPER USE OF THIS SERVICE MANUAL, TOOLS AND EQUIPMENT 15
ABREVIATIONS 17
MAINTENANCE 21
MAINTENANCE OF THE ECONTROLS FUEL SYSTEMS 22
GENERAL LPG FUEL TANK MAINTENANCE 22
FUEL FILTER MAINTENANCE 23
FUEL SUPPLY AND RETURN LINE MAINTENANCE 23
LPG DUAL STAGE REGULATOR (DSR) 23
GASOLINE FUEL PRESSURE MANIFOLD 24
INJECTOR RAIL AND INJECTORS 24
ELECTRICAL SYSTEM CHECKS 25
BATTERY 25
ECM CHECKS 25
WIRE HARNESS CHECKS 25
SENSORS 25
IGNITION SYSTEM 25
MISCELLANEOUS ELECTRICAL 25
RECOMMEDNED MAINTENANCE 25
DESCRIPTION AND OPERATIONS 28
INTRODUCTION 29
GENERAL COMPONENTS 29
FUEL METERING SYSTEMS 29
ENGINE CONTROL MODULE 29
LIGHT DUTY EMISSION CERTIFIED DEDICATED LPG FUEL SYSTEMS 31
LPG FUEL TANK 31
SERVICE LINE 31
FUEL FILTER 32
LPG FUEL LOCK OFF 32
DUAL STAGE REGULATOR (DSR) 33
DIRECT ELECTRONIC PRESSURE REGULATOR (DEPR) 34
MIXER ASSEMBLY 34
ELECTRONIC THROTTLE BODY (ETB) 35
THREE WAY CATALYST 36
HEATED EXHAUST GAS OXYGEN SENSOR (HEGO) 36
ENGINE CONTROL MODULE (ECM) 37
ENGINE SENSOR GROUP 38
LIGHT DUTY EMISSION CERTIFIED BI-FUEL LPG/GASOLINE FUEL SYSTEMS 42
FUEL SYSTEM SELECT SWITCH 42
ELECTRIC GASOLINE FUEL PUMP 42
GASOLINE FUEL PRESSURE MANIFOLD 42
GASOLINE INJECTORS AND INJECTOR RAIL 43
ENGINE CONTROL MODULE (ECM) 43
ENGINE SENSOR GROUP 44
LIGHT DUTY CLOSED LOOP GASOLINE FUEL SYSTEMS 47
ELECTRIC GASOLINE FUEL PUMP 47
GASOLINE FUEL PRESSURE MANIFOLD 47
GASOLINE INJECTORS AND INJECTOR RAIL 48
ENGINE CONTROL MODULE (ECM) 48
ENGINE SENSOR GROUP 49
LIGHT DUTY OPEN LOOP LPG FUEL SYSTEMS 53
LPG FUEL TANK 53
SERVICE LINE 54
FUEL FILTER 54
LPG FUEL LOCK OFF 54
DUAL STAGE REGULATOR (DSR) 55
MIXER ASSEMBLY 55
ELECTRONIC THROTTLE BODY (ETB) 56
ENGINE CONTROL MODULE (ECM) 57
ENGINE SENSOR GROUP 58
SYMPTOM DIAGNOSTICS 61
LPG SYMPTOM CHARTS 62
IMPORTANT PRELIMINARY CHECKS 62
INTERMITTENT 64
NO START 66
HARD START 68
CUTS OUT, MISSES 70
HESITATION, SAG, STUMBLE 72
BACKFIRE 73
LACK OF POWER/SLUGGISHNESS/SPONGINESS 74
POOR FUEL ECONOMY 75
ROUGH, UNSTABLE, OR INCORRECT IDLE / STALLING 76
SURGES / CHUGGLES 78
GASOLINE SYMPTOM CHARTS 79
IMPORTANT PRELIMINARY CHECKS 79
INTERMITTENT 81
NO START 82
HARD START 84
CUTS OUT, MISSES 86
HESITATION, SAG, STUMBLE 87
BACKFIRE 88
LACK OF POWER/SLUGGISHNESS/SPONGINESS 89
POOR FUEL ECONOMY 90
ROUGH, UNSTABLE, OR INCORRECT IDLE / STALLING 92
SURGES / CHUGGLES 93
FUEL SYSTEM REMOVE REPLACE AND REPAIR 95
INTRODUCTION 96
PROPANE FUEL SYSTEM PRESSURE RELIEF 96
PROPANE FUEL SYSTEM LEAK TEST 96
FUEL FILTER REPLACEMENT 97
LIGHT DUTY IN-LINE-TYPE FUEL FILTER REPLACEMENT 97
LIGHT-DUTY INTEGRATED LPG FUEL LOCK-OFF / FILTER REPLACEMENT 97
LPG FUEL LOCK OFF REPLACEMENT AND REPAIR 98
LPG FUEL LOCK-OFF REPLACEMENT 98
LPG FUEL LOCK-OFF SOLENOID REPLACEMENT 98
DUAL STAGE REGULATOR (DSR) 99
DSR OPEN- AND CLOSED-LOOP REPLACEMENT 99
DSR CLOSED-LOOP REPAIR 100
DSR OPEN-LOOP REPAIR 103
ELECTRONIC THROTTLE BODY (ETB) ASSEMBLY 105
ELECTRONIC THROTTLE BODY (ETB) REPLACEMENT OPEN AND CLOSED LOOP 105
MIXER REPLACEMENT AND REPAIR 106
CLOSED-LOOP MIXER REPLACEMENT E100 SERIES 106
OPEN LOOP MIXER REPLACEMENT E100 SERIES 107
MIXER REPAIR CLOSED LOOP E100 SERIES 107
MIXER REPAIR OPEN LOOP E100 SERIES 108
OPEN LOOP MIXER ADJUSTMENT E100 SERIES 109
DIRECT ELECTRONIC PRESSURE REGULATOR (DEPR) REPLACEMENT 110
COOLANT HOSE REPLACEMENT 110
VAPOR HOSE REPLACEMENT 111
ENGINE CONTROL MODULE (ECM) REPLACEMENT 111
HEATED EXHAUST GAS OXYGEN SENSOR REPLACEMENT 112
THREE WAY CATALYTIC CONVERTER MUFFLER REPLACEMENT 112
FUEL SYSTEM DIAGNOSTIC 114
ON-BOARD DIAGNOSTICS 149
Fault / Diagnostic Trouble Code Interaction 154
Fault Categories 154
Active and Historic Faults 154
Pending Faults 155
4G Fault Process 157
Custom Variable Labels 159
Fault Snapshot / Flight Data Recorder 159
Fault Parameters Window 166
Fault Selection Area (top of window) 167
Active Fault / Fault Code Area (lower left of window) 168
Pending Fault Area (lower middle of window) 169
Historic Fault / Corrective Action Area (lower right of window) 171
Download Fault Parameters 173
View Cleared Faults 174
DIAGNOSTIC TESTS 175
SPARK KILL TEST 175
INJECTOR KILL TEST 176
INJECTOR FIRE TEST 177
SPARK FIRE TEST 178
DBW TEST 179
EXTERNAL POWER TEST 179
IAC TEST 180
COMPRESSION TEST 181
SPARK ADVANCE TEST 182
IDLE SPEED COMMAND 182
FUEL/SPARK INHIBIT INPUT 183
CLOSED LOOP TEST 184
DIAGNOSTIC TROUBLE CODES REFERENCE 188
INTRODUCTION 190
FAULT DESCRIPTIONS OVERVIEW 190
CORRECTIVE ACTION DESCRIPTIONS 192
ADDITIONAL FAULT SWITCH DESCRIPTIONS 193
EDIS 4G DISPLAY 194
DTC DESCRIPTIONS & DIAGNOSTIC INFORMATION – HYUNDAI 2 4L LPG ENGINE 195
5V EXTERNAL POWER 196
BATTERY VOLTAGE 200
BP (BAROMETRIC PRESSURE) 204
CAM /CRANK SENSORS 208
CAN NETWORK 218
DBW THROTTLE POSITION SENSING 220
ECT (ENGINE COOLANT TEMPERATURE) / CHT (CYLINDER HEAD TEMPERATURE) 235
EGO (EXHAUST GAS OXYGEN) SENSORS 243
ENGINE SPEED 245
EPR / CFV DIAGNOSTICS 251
FPP (FOOT PEDAL POSITION) 259
FT (FUEL TEMPERATURE) 276
FUEL SYSTEM MONITOR 281
IAT (INTAKE AIR TEMPERATURE) 289
INTERNAL PROCESSOR DIAGNOSTICS 297
KNOCK 306
LOCKOFF / FUEL DIAGNOSTICS 310
MAP (MANIFOLD ABSOLUTE PRESSURE) 311
OIL PRESSURE 315
POWER RELAY CONTROL / COIL 317
SPARK COIL DIAGNOSTICS 321

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