P1243 Honda Code - Throttle Position Insufficient
Quick Answer
The P1243 Honda diagnostic trouble code (DTC) indicates that there is an insufficient throttle position detected by the vehicle's onboard computer system. Common causes include Faulty throttle position sensor (TPS), Wiring or connector issues in the TPS circuit, Dirty or contaminated throttle body. 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
- P1243 Honda indicates Throttle Position Insufficient.
- Common causes
- Common causes include Faulty throttle position sensor (TPS), Wiring or connector issues in the TPS circuit, Dirty or contaminated throttle body.
- 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 P1243 Honda Description
The P1243 Honda diagnostic trouble code (DTC) indicates that there is an insufficient throttle position detected by the vehicle's onboard computer system. The throttle position sensor (TPS) is responsible for monitoring the position of the throttle valve in the engine. This information is crucial for determining the proper air-fuel mixture and ignition timing to optimize engine performance and fuel efficiency.
Common Causes of P1243 Honda
- Faulty throttle position sensor (TPS)
- Wiring or connector issues in the TPS circuit
- Dirty or contaminated throttle body
- Malfunctioning engine control module (ECM)
- Poor electrical connection or corrosion in the TPS circuit
Symptoms of P1243 Honda
- Hesitation or stumbling during acceleration
- Rough idle or erratic engine behavior
- Reduced engine power or performance
- Check Engine Light illuminated on the dashboard
- Difficulty starting the engine
How to Fix P1243 Honda
- Begin by diagnosing the issue with a professional diagnostic scan tool to confirm the P1243 code and identify the specific cause.
- Inspect the throttle position sensor (TPS) and its wiring harness for any signs of damage or wear. Replace the TPS if necessary.
- Clean the throttle body to remove any carbon buildup or debris that may be affecting its operation.
- Check and clean the electrical connections in the TPS circuit to ensure a secure connection.
- Clear the DTC and perform a test drive to verify that the issue has been resolved.
Cost to Fix P1243 Honda
The typical repair cost for addressing a P1243 Honda code can vary depending on the specific cause of the issue. On average, replacing a faulty throttle position sensor (TPS) can range from $100 to $300, including parts and labor. Cleaning the throttle body and inspecting the wiring harness may incur additional costs. It's important to note that diagnostic time and labor rates at auto repair shops can vary, so it's advisable to inquire about local rates for a more accurate estimate.
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