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Re: Can secondary air cause a drivability problem?
Posted to Technical Discussion Forum on 1/10/2024

Generally, if it was the secondary air system, there would be DTC's. On the 4.7L, it would go into fail safe mode briefly if one of the switching valves sticks. I had one customer with the 4.7 that had that problem shortly after start up within a short distanc... Login to read more.