P1187 Acura Code - Fuel Tank Temperature Sensor Circuit Low Voltage
Quick Answer
The P1187 diagnostic trouble code for Acura vehicles indicates that there is a low voltage condition detected in the fuel tank temperature sensor circuit. Common causes include Faulty fuel tank temperature sensor, Damaged wiring or connectors in the sensor circuit, Malfunctioning ECU. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- P1187 Acura indicates Fuel Tank Temperature Sensor Circuit Low Voltage.
- Common causes
- Common causes include Faulty fuel tank temperature sensor, Damaged wiring or connectors in the sensor circuit, Malfunctioning ECU.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
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Code P1187 Acura Description
The P1187 diagnostic trouble code for Acura vehicles indicates that there is a low voltage condition detected in the fuel tank temperature sensor circuit. The fuel tank temperature sensor is a crucial component of the vehicle's fuel system, as it is responsible for monitoring the temperature of the fuel in the tank. This information is vital for the engine control unit (ECU) to adjust the air-fuel mixture accordingly for optimal combustion.
Common Causes of P1187 Acura
- Faulty fuel tank temperature sensor
- Damaged wiring or connectors in the sensor circuit
- Malfunctioning ECU
- Corrosion or poor connections in the sensor circuit
Symptoms of P1187 Acura
- Reduced fuel efficiency
- Rough idling or engine hesitation
- Engine stalling
- Check Engine Light illuminated
How to Fix P1187 Acura
- Begin by connecting a diagnostic scan tool to the vehicle's OBD-II port to retrieve the specific trouble code and verify the issue.
- Inspect the wiring and connectors in the fuel tank temperature sensor circuit for any signs of damage or corrosion. Repair or replace as necessary.
- Test the fuel tank temperature sensor using a multimeter to check for proper resistance readings. Replace the sensor if it is faulty.
- Clear the trouble code and reset the ECU to see if the issue is resolved. Drive the vehicle to ensure the symptoms have been eliminated.
- If the problem persists, further diagnosis may be required to pinpoint the exact cause, such as testing the ECU or checking for any other related issues.
Cost to Fix P1187 Acura
The cost of repairing a P1187 code on an Acura vehicle can vary depending on the specific cause of the issue. In general, the replacement of a fuel tank temperature sensor can range from $100 to $200, while labor costs can range from $80 to $150 per hour. Additional costs may be incurred if there are other components that need to be replaced or if further diagnosis is required. It is recommended to consult with a qualified mechanic or repair shop for a more accurate estimate based on the specific circumstances of the vehicle.
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Frequently Asked Questions about P1187 Acura Code
What does the OBDII code P1187 mean on an Acura?
1. P1187 indicates a "Fuel Tank Temperature Sensor Circuit Low Voltage" issue, meaning the sensor is detecting an abnormally low voltage reading. 2.
What are the common symptoms of code P1187 on an Acura?
Symptoms may include the check engine light turning on, poor fuel efficiency, inaccurate fuel level readings, or difficulty starting the engine. 3.
What causes the P1187 code to appear on an Acura?
Common causes include a faulty fuel tank temperature sensor, damaged wiring or connectors, a short circuit, or a malfunctioning engine control module (ECM). 4.
How do I diagnose the P1187 code on my Acura?
Start by inspecting the fuel tank temperature sensor and its connections for damage. Use a multimeter to check for proper voltage and resistance in the circuit. 5.
Can I drive my Acura with a P1187 code?
Driving with a P1187 code is possible but not recommended, as it may lead to inaccurate fuel readings, reduced performance, and potential long-term damage. 6.
How do I fix the P1187 code on an Acura?
Repairs may include replacing the fuel tank temperature sensor, repairing damaged wiring or connectors, or reprogramming/repairing the ECM if necessary. 7.
How much does it cost to fix the P1187 code on an Acura?
The cost depends on the specific issue, but replacing the fuel tank temperature sensor typically ranges from $100 to $300, including parts and labor. 8.
Can a bad fuel tank temperature sensor cause other problems?
Yes, it can lead to incorrect fuel management, impacting fuel efficiency and causing potential emissions issues. 9.
How can I prevent the P1187 code from appearing again?
Regular maintenance, including inspecting wiring and connectors and addressing fuel system issues promptly, can help prevent this code from recurring. 10.
Is the P1187 code specific to Acura vehicles?
While P1187 can appear on other vehicles, the specific meaning of "Fuel Tank Temperature Sensor Circuit Low Voltage" is tailored to Acura's diagnostic system.
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