Why did RPM gauge just started going up and down.

Asked by Guru9VP5YQ Apr 22, 2021 at 03:32 PM about the 2018 Nissan Altima 2.5 S

Question type: Maintenance & Repair

took car to autozone, they ran a diagnosis scan. It revealed error code PO776  
- Pressure Control Solenoid B
Added injection fuel and gauge became more stable.  - Pressure Control
Solenoid B. Is this a transmission problem????

1 Answer

155,245

Yes, it means the solenoid in the transmission is not operating properly or is stuck off. I would check the powertrain warranty and see if you're still covered. Hope that helps! Jim

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