8.4 Tooth / trigger logger and troubleshooting RPM issues 8 TROUBLESHOOTING AND DATA LOGGING
35 Pattern does not match Weber-Marelli
36 CAS 4/1 error
37, 38, and 39 Pattern does not match 4G63
40 and 41 Twin trigger error
42 Pattern does not match Chrysler 2.2/2.5
43 Pattern does not match Renix
44 Pattern does not match Suzuki Swift
45 and 46 Pattern does not match Vitara
47 Pattern does not match Daihatsu 3
48 Pattern does not match Daihatsu 4
49 Pattern does not match VTR1000
50 Pattern does not match Rover #3
51 Pattern does not match GM 7X
52 36-2-2-2 tooth 30 error
53 rc51 semi error
54 rc51 re-sync error tooth 6
55 rc51 re-sync error tooth 16
56 rc51 re-sync error tooth 18
57 fiat 1.8 tooth 0
58 fiat 1.8 tooth 3
59 fiat 1.8 tooth 6
60 fiat 1.8 tooth 9
61 36-1+1 first
62 36-1+1 second
63 QR25DE semi failed
64 QR25DE lost running sync
65 CAS360 running
66 NGC8 semi failed
67 LS1 semi failed
68 LS1 resync failed
69 YZF1000 resync failed
70 36-2+2 cam signal not present
Having identified that you have a sync loss problem, you need to attempt to eliminate it. Check for any basic
problems:
• Loose sensor
• Loose cabling
• Sensor wires running close to spark plug wires or coils
• Slop in timing belt
• VR sensor wired backwards
• Fouled plugs causing misfire
• Non-resistor plugs
• Excessively rich mixture causing misfire
• Excessively lean mixture causing misfire
Having ruled out all those possible causes, you should enable some noise filtering. See the noise filtering settings,
section 7.3.5.
AMP EFI MS3Pro manual version 1.202, firmware 1.5.0, 4/21/2017 Page 293
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