Fault codes › P0186

P0186

Fuel Temperature Sensor B Circuit Range/Performance

Generic code Fuel and Air Metering High severity Hard repair
Free on OBD DashX

Want real-world data on P0186?

See which problems come with P0186, how often it shows up in other vehicles, and how to fix it — step by step.

  • Real-world fix data
  • How often it happens
  • Step-by-step repairs
See P0186 on OBD DashX No sign-up needed · available in 10 languages

iWhat P0186 means

  • The fault code P0186 indicates that there is a problem with the circuit range or performance of the fuel temperature sensor B. This can cause issues with fuel economy and engine performance.

!Possible symptoms

  • Decreased fuel economy
  • Rough engine idle
  • Illuminated check engine light
  • Reduced engine performance

?Possible causes

  • Failed fuel temperature sensor "B"
  • Corroded or damaged electrical connections
  • Faulty wiring in the circuit
  • Failed engine control module (ECM)

⚙Related parts

  • Fuel Temperature Sensor: The fuel temperature sensor measures the temperature of the fuel in the fuel injector. Problems with this sensor lead to engine misfire, engine stalling

✓Possible solutions

  • Replace the fuel temperature sensor "B"
  • Inspect and repair any damaged or corroded electrical connections
  • Check and repair any faulty wiring in the circuit
  • Replace the engine control module (ECM) if necessary
Free on OBD DashX

P0186 on OBD DashX

Real-world causes, how often this code shows up, and the fix — step by step.

Open P0186 No sign-up needed · available in 10 languages

Search fault codes

Scan your own car

Read and clear fault codes, live data and service resets with the CaRPM app.