P1247 Cadillac Code - Fuel Injector 8 Control Circuit Shorted
Quick Answer
The P1247 Cadillac code indicates a problem with the fuel injector 8 control circuit being shorted. Common causes include Damaged wiring or connectors in the fuel injector circuit, Faulty fuel injector, Corrosion or debris in the fuel injector. 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
- P1247 Cadillac indicates Fuel Injector 8 Control Circuit Shorted.
- Common causes
- Common causes include Damaged wiring or connectors in the fuel injector circuit, Faulty fuel injector, Corrosion or debris in the fuel injector.
- 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 P1247 Cadillac Description
The P1247 Cadillac code indicates a problem with the fuel injector 8 control circuit being shorted. In modern vehicles, fuel injectors play a crucial role in delivering the right amount of fuel to the engine for combustion. When the control circuit for fuel injector 8 is shorted, it means that there is an electrical issue preventing the injector from functioning properly. This can lead to an imbalance in the fuel mixture, affecting the engine's performance and efficiency.
Common Causes of P1247 Cadillac
- Damaged wiring or connectors in the fuel injector circuit
- Faulty fuel injector
- Corrosion or debris in the fuel injector
- Electrical issues in the vehicle's wiring harness
- Poor quality fuel
Symptoms of P1247 Cadillac
- Engine misfires
- Rough idling
- Difficulty starting the engine
- Decreased fuel efficiency
- Loss of power during acceleration
How to Fix P1247 Cadillac
- Diagnose the specific cause of the shorted fuel injector control circuit using a multimeter and wiring diagram.
- Inspect the wiring and connectors for damage or corrosion. Replace any faulty components.
- Test the fuel injector for proper operation. Replace it if necessary.
- Clear the diagnostic trouble codes from the vehicle's computer using a scan tool.
- Test drive the vehicle to ensure that the issue has been resolved and that the engine is running smoothly.
Cost to Fix P1247 Cadillac
The typical repair costs for addressing a shorted fuel injector control circuit can vary depending on the extent of the damage and the specific components that need to be replaced. In general, the parts for this repair may cost between $100 and $300, while labor costs can range from $100 to $300. Overall, the total repair cost could fall between $200 and $600. It's important to note that these are rough estimates, and actual costs may differ based on various factors such as location, vehicle make and model, and the shop's labor rates. It's recommended to obtain quotes from local auto repair shops for a more accurate cost estimate.
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Frequently Asked Questions about P1247 Cadillac Code
1. What does the OBDII code P1247 mean on a Cadillac?
P1247 indicates a short circuit in the control circuit for Fuel Injector 8, meaning the engine control module (ECM) detects a fault in the electrical connection to that injector.
2. What are the common symptoms of code P1247 on a Cadillac?
Symptoms may include rough idling, misfires, reduced engine performance, poor fuel economy, and the check engine light being illuminated.
3. What causes code P1247 on a Cadillac?
Common causes include a damaged or shorted fuel injector, faulty wiring or connectors in the injector circuit, or a malfunctioning engine control module (ECM).
4. How is code P1247 diagnosed on a Cadillac?
A technician will inspect the wiring and connectors for Injector 8, test the injector's resistance, check for continuity or shorts in the circuit, and use a scan tool to monitor injector operation.
5. Can I drive my Cadillac with code P1247?
Driving with code P1247 is not recommended, as it can cause engine misfires and potential damage to other components like the catalytic converter.
6. How much does it cost to fix code P1247 on a Cadillac?
Repair costs vary but typically range from $150 to $400, depending on whether the issue is with the injector itself, the wiring, or other related components.
7. Can I fix code P1247 on my Cadillac myself?
If you're experienced with automotive electrical systems, you can inspect and repair wiring or replace the injector, but a professional diagnosis is recommended to ensure the correct fix.
8. Does a faulty ECM cause code P1247?
A faulty ECM is a less common cause of P1247, but if wiring and the injector are in good condition, the ECM may need to be tested or replaced.
9. How do I prevent code P1247 from occurring on a Cadillac?
Regular maintenance, such as inspecting and cleaning electrical connections and ensuring injectors are in good condition, can help prevent code P1247.
10. Will clearing the code fix P1247 on a Cadillac?
Clearing the code will turn off the check engine light temporarily, but the issue will likely return unless the underlying problem is resolved.
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