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by Z32TT
23 May 2018, 15:54
Forum: Nissan DataScan I
Topic: Ignition timing Jumping
Replies: 0
Views: 2915

Ignition timing Jumping

Hello, Does anyone know what would cause the base ignition timing to jump quickly back and forth from 15 to 20 degrees at idle? (with the timing light mark on the crank) If I advance the CAS sensor it will rest on 20 or 30 advanced, when I go to retard the timing to set it on the 15 degrees that it ...