Service manual

G420F(FE) Service Manual Index 5
Sensor........................................................ 194
Oxygen Sensor (Pre-Catalyst)..................... 195
Oxygen Sensor (Post-Catalyst) ................... 196
ECT (Engine Coolant Temperature) Sensor 197
LP Fuel Temperature Sensor...................... 199
Angle Sensor-Accelerator ........................... 200
Transmission Oil Temperature Switch......... 201
Ground Speed Limit Switch (optional) ......... 202
Electronic Throttle Body.............................. 203
Chapter 6. LPG FUEL DELIVERY
SYSTEM
G420FE LP System Inspection and Repair..... 204
Removal and Installation............................. 204
Hose Connections......................... 205
Removal and Installation of ........... 206
N-2007 LP Regulator .................... 206
Removal and Installation of CA100
Mixer for G420FE.......................... 207
Tests and Adjustments................................ 209
N-2007 Regulator Service Testing. 210
AVV (Air Valve Vacuum) Testing... 211
AVV (Air Valve Vacuum) Testing... 212
Connection of the MI-07 Service Tool
..................................................... 212
Idle Mixture Adjustment................. 213
Parts Description......................................... 216
CA100 Mixer for G420FE Engine .. 216
N-2007 Regulator for G420FE Engine
..................................................... 218
G420F LPG System Inspection and Repair..... 220
Removal and Installation............................. 220
G420F Fuel System Connections.. 221
Removal and Installation of N-2001 LP
Regulator/Converter...................... 222
Removal and Installation of CA100
Mixer for G420F............................ 223
Tests and Adjustments................................ 225
N-2001 Regulator Service Testing .225
AVV (Air Valve Vacuum) Testing....227
Connection of the MI-07 Service Tool
......................................................227
Idle Mixture Adjustment .................228
Parts Description .........................................230
CA100 Mixer for G420F Engine .....230
N-2001 Regulator for G420F Engine
......................................................234
Chapter 7. MPI GASOLINE FUEL
DELIVERY SYSTEM
Specification.....................................................239
Special Tools....................................................239
Components Location......................................240
Fuel Pressure Test ...........................................241
Injector..............................................................243
Injector Inspection............................................245
Fuel Pump.........................................................247
Chapter 8. BASIC TROUBLESHOOTING
Preliminary Checks ..........................................248
Before Starting ............................................248
Visual/Physical check ..................................248
Basic Troubleshooting Guide..........................249
Customer Problem Analysis Sheet...............249
Basic Inspection Procedure .........................250
Connector Inspection Procedure..................251
Symptom Troubleshooting Guide Chart .......255
Basic Troubleshooting.....................................261
Intermittents.................................................261
Surges and/or Stumbles ..............................262
Engine Cranking but Will Not Start / Difficult to
Start ............................................................263
Lack of Power, Slow to Respond / Poor High
Speed Performance / Hesitation During
Acceleration.................................................265