Quote:
Originally Posted by JFP in PA
P1602: power supply interruption (battery disconnected)
P0160: interruption of signal or ground on O2 sensor behind the cat on bank 2
P1117: heating current too low on O2 sensor ahead of cat on bank 1
P1121: heating current too low on o2 sensor ahead of cat on bank 2
P1602 can happen anytime the battery is disconnected; the rest seem to be wiring issues.
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Thank you. After clearing the initial four codes, the P1602 has not returned. At one point in time during the clutch job, I managed to drain the battery. I can easily understand why that one has not returned.
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