After dizzy was replaced ----- as said in the other thread ----- have you ever bothered to get the ignition timing checked out?
Instead of the VAG 1551 reader VCD/VAGCOM (licenced version) will do
Instead of VAG ignition tester pretty much any can be used....
Mono-Motronic injection and ignition system
Checking and adjusting ignition timing
Special tools, testers and auxiliary items
ı Fault reader V.A.G 1551 or vehicle system tester V.A.G 1552 with
ı 07.93: Cable V.A.G 1551/1
08.93 ı: Cable V.A.G 1551/3
ı Ignition tester V.A.G 1767 or V.A.G 1367 with HT pick-up clamp V.A.G 1367/8
Check conditions
● Engine oil temperature min. 80 °C
● No faults stored in fault memory
=> Page 01-7, interrogating fault memory
Test sequence
ı → Connect ignition tester V.A.G 1767 or
ignition tester V.A.G 1367 with HT pickup
clamp V.A.G 1367/8.
ı Connect fault reader V.A.G 1551 (V.A.G
1552) and select engine electronics
control unit (address word 01); carry out
selection at idling.
=> Page 01-4
→ Indicated on display: Rapid data transfer HELP
Select function XX
ı Input 04 for "Initiate basic setting" and
confirm with Q.
→ Indicated on display: Basic setting HELP
Input display group number XX
ı Input 00 for "Display group number" and
confirm with Q.
→ Indicated on display:
(1...10 = Display zones)
System in basic setting 0 ı
1 2 3 4 5 6 7 8 9 10
ı Check ignition timing.
Specification: 4..8 ° before TDC1)
With stroboscope:
ı → Direct at ignition timing notch.
ı If necessary adjust ignition timing by
turning the distributor:
Setting figure: 6 ± 1° before TDC1)
1) Up-to-date specifications:
=> Exhaust emissions test binder
ı Press ı key.
ı Input 06 for "End output" and confirm
with Q.
