P1191 Ford Code - Key Line Voltage
Quick Answer
The P1191 Ford trouble code relates to the key line voltage in the vehicle's electrical system. Common causes include Faulty wiring or connections in the key line circuit, Malfunctioning ignition switch, Weak battery. 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
- P1191 Ford indicates Key Line Voltage.
- Common causes
- Common causes include Faulty wiring or connections in the key line circuit, Malfunctioning ignition switch, Weak battery.
- 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 P1191 Ford Description
The P1191 Ford trouble code relates to the key line voltage in the vehicle's electrical system. This code indicates that there is an issue with the voltage level on the key line, which is a critical component in the vehicle's ignition system. The key line voltage is responsible for providing power to the ignition system and ensuring that the vehicle can start properly. When this code is triggered, it can lead to issues with starting the vehicle, as well as potential problems with the overall performance of the ignition system.
Common Causes of P1191 Ford
- Faulty wiring or connections in the key line circuit
- Malfunctioning ignition switch
- Weak battery
- Problem with the vehicle's computer system
Symptoms of P1191 Ford
- Difficulty starting the vehicle
- Engine misfires or stalls
- Rough idling
- Decreased fuel efficiency
How to Fix P1191 Ford
- Begin by performing a thorough inspection of the key line circuit to check for any loose or damaged wiring or connections.
- Test the battery to ensure it is providing the correct voltage level to the ignition system.
- Check the ignition switch for any signs of wear or malfunction and replace if necessary.
- If the issue persists, consult a professional mechanic to diagnose any potential computer system problems that may be causing the P1191 code.
Cost to Fix P1191 Ford
The typical repair costs for addressing a P1191 Ford trouble code can vary depending on the specific cause of the issue. In general, the cost of parts and labor for this repair can range from $150 to $500. It is important to note that diagnosis time and labor rates at auto repair shops can vary, so it is advisable to check local rates for a more precise estimate. Additionally, factors such as the vehicle's make and model, as well as the type of engine, can also impact the overall cost of the repair.
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