P0186 OBD-II: Fuel Temperature Sensor "B" Circuit Range/Performance
P0186 Severity
Will P0186 go away on its own?
Once the vehicle's onboard system no longer detects the issue, most codes will disappear on their own. If your vehicle still has this code, however, it should be properly diagnosed to avoid a more serious problem.
For a proper diagnosis, RepairPal Certified shops have the equipment, tools, and expertise.
Moderate severity codes might not threaten the vehicle's safety or functionality immediately, but you should still get it diagnosed within a reasonable time frame to keep your car running well.
What causes OBD-II fault code P0186?
The Fuel Temperature Sensor tells the engine control module (PCM) the temperature of the fuel. When the PCM detects an implausible signal from the Fuel Temperature Sensor, the PCM will set code P0186.
What Does P0186 Code Mean?
OBD-II Code P0186 is defined as a Fuel Temperature Sensor "B" Circuit Range/Performance
The Fuel Temperature Sensor tells the engine control module (PCM) the temperature of the fuel. When the PCM detects an implausible signal from the Fuel Temperature Sensor, the PCM will set code P0186.
Common Problems That Trigger the P0186 Code
- Fuel temperature sensor failure
- Powertrain Control Module (PCM) failure
- Wiring issue
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