P0188
Fuel Temperature Sensor B Circuit High Input
Generic code
Fuel and Air Metering
High severity
Hard repair
Free on OBD DashX
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What P0188 means
- The fault code P0188 indicates that there is a problem with the fuel temperature sensor circuit. The sensor is located in the fuel tank and is used to monitor the temperature of the fuel. This code is triggered when the sensor signal is above the specified range, indicating a high input.
Possible symptoms
- Illuminated check engine light
- Reduced fuel economy
- Hard starting or no start condition
- Engine may run rough or stall
- Reduced engine power or acceleration
Possible causes
- Faulty or damaged fuel temperature sensor
- Wiring issues in the circuit
- Corrosion on electrical connections
- Damaged or leaking fuel tank
- Failed engine control module
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
- Repair any damaged or broken wiring in the circuit
- Clean or replace any corroded electrical connections
- Replace the fuel tank if it is damaged or leaking
- Replace the engine control module if necessary
Free on OBD DashX
P0188 on OBD DashX
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