Cold Start Scan Data:

[1996 Jaguar Vanden Plas, ECM/Inputs/Outputs Waveform]

Last night cold start, after AIR Pump shuts off, B1S1 & B2S1 O2 Sensors begin to cycle. This is the only time these sensors cycle naturally:

[1996 Jaguar Vanden Plas, ECM/Inputs... Login to read more.

Files Referenced: