Skoda OCTAVIA MK1 Service Manual page 4

T
ESTING COMPONENTS AND FUNCTIONS
Idle testing.................................................................................................................................... 202
Test fuel pressure regulator and holding pressure.........................................................................203
Testing injection valves................................................................................................................. 205
Inspecting the injection rate, tightness and jet formation of the injectors.....................................208
Test fuel pump relay and control................................................................................................... 210
Test air mass meter -G70-............................................................................................................. 213
Testing the intake system for tightness (unmetered air)...............................................................216
Test voltage supply of engine control unit.....................................................................................217
Test intake air temperature sender............................................................................................... 218
Test coolant temperature sender -G62-......................................................................................... 222
C
HECKING LAMBDA CONTROL
Irregularities of the engine after cold start....................................................................................225
Check the function of the lambda control......................................................................................227
Check lambda probe heater.......................................................................................................... 230
Test lambda probe signal line and lambda probe control unit.......................................................231
C
HECKING THE FUEL TANK VENTING
Testing activated charcoal filter system solenoid valve 1..............................................................233
I
NSPECTING THROTTLE VALVE CONTROL UNIT
Check throttle valve control unit for vehicles ► 07.97..................................................................237
Check throttle valve control unit for vehicles 08.97 ►..................................................................240
Adapt the engine control unit to the throttle valve control unit.....................................................246
T
EST INTAKE MANIFOLD CHANGEOVER
Inspect the vacuum system.......................................................................................................... 249
Test variable intake manifold changeover valve -N156-................................................................250
T
ESTING AUXILIARY SIGNALS
Inspecting AC compressor disconnection......................................................................................253
..................................................................................................... 202
................................................................................................................... 225
........................................................................................................... 233
............................................................................................... 236
........................................................................................................ 249
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