Porsche 928 Workshop Manual page 320

Volume I-A
Table of contents 928
a
Troubleshooting AFC ................................
Hose Diagram for AFC ...............................
Correcting CO level on air flow senmr .......................
LH-Jetronic equipment table .............................
LH-Jetronic air flow .................................
LH-Jetronic
......................................
Troubleshooting LH-Jetronic .............................
Testing oxygen sensor operation ..........................
Testing and adjusting specifications .........................
Adjusting idle and CO, 1984 models ........................
Removing and installing heated wire air flow sensor
Removing and installing fuel cooler .........................
Specifiacations for testing and adjusting ......................
Equipment chart LH-Jetronic ............................
Adjusting idle
....................................
Correcting CO adjustment on air volume sensor ..................
Fuel path - LH-Jetronic ...............................
Injection valves, removing and installing ......................
Testing and adjustment values for Type 928 S4 - 928 GT - 928 GTS ($4 I)
Equipment chart - LH-Jetronic ............................
Checking idle, USA cars and cars with catalytic converters ............
Adjusting idle without catalytic converter ......................
Fuel path, LH-Jetronic ................................
Modified breather for crankcase and cylinder heads ................
Testing oxygen sensor operation ..........................
Testing oxygen sensor operatio ...........................
Coding for LH control unit ..............................
Removing and installing rotary idle actuator ....................
Fuel mixture
Tightening torque for fuel system
Replacing air cleaner element
Adjusting idle and CO
Testing and adjusting specifications
Pressure tests
Connectig and bleeding pressure gauge
Checking system pressure
Checking control pressure "warm"
Checking entire fuel system for leaks
Checking control pressure "cold"
25-01
25-1
25-2
25-5
25-7
25-8
25-10
25-10
25-11
25-12
Page
24-21
24-22
24-24
24-101
24-i 02
24-104
24-108
24.120a
24-121
24-122
24-125
24-126
24-201
24-202
24-203
24-207
24-208
24-209
24-211
24-212
24-213
24-214
24-216
24-218
24-219
24-221
24-222
24-223
2
Table of contents
Printed in Germany - XXX& 1993