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P1148 Diagnostic Trouble Code Discussion for July 2005

Closed Loop Malfunction Detected (Bank 1)

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Trouble Ticket Help Requests for DTC P1148
Help Request Posted
2004 Nissan Sentra 1.8L MIL Lamp on VIN: 3N1CB51D94
P1148: Closed Loop Malfunction Detected (Bank 1). ... this Nissan Sentra and it stumble me a little. Vehicle came in with code P1148-Close Loop Control. This vehicle considered new for our shop and not whole a lot of info is available through Alldata or Mitchell. I checked operation of HO2 sensor (Air/Fuel se...
July 05, 2005
1998 Nissan Frontier XE 2.4L MIL Lamp on VIN: 1N6DD26S3W
P1148: Closed Loop Malfunction Detected (Bank 1). ... problem with setting P0130 and P1148. It appears according to the freeze frame that the vehicle will "fall" out of closed loop at highway speed. All data values appear to be normal sitting in the bay and when road testing. Is there a problem that I...
July 22, 2005