P0390 Diagnostic Trouble Code Discussion for December 2025
Camshaft Position Sensor 'B' Circuit Malfunction (Bank 2)
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| Help Request | Posted | |
| 2018 Ford F-150 Lariat 5.0L Misfire, MIL Lamp on VIN: 1FTEW1E58J P0390: Camshaft Position Sensor B Circuit Bank 2. Vehicle came in with a check engine light. The truck had all of the above codes in the history. I monitored the misfires and the only time they are increasing in number is when the truck is in park and idling. I can watch the misfire numbers slowly increas... |
December 02, 2025 | |
| 2012 Jeep Wrangler Sport 3.6L No Start, Poor Idle Quality, Cuts out, Stall VIN: 1C4AJWAG9C P0390: Codes for cam sensors. Customer experienced reduced power and crank no start and rough running. He had a mechanic replace both cam sensors and a broken ground (engine to body) and another sensor then a pcm then he got my number. I found all sensors on a common sensor ground givi... |
December 21, 2025 |
