P1160 Code - Return Spring Failure
Quick Answer
The P1160 diagnostic trouble code indicates a return spring failure within the vehicle's throttle control system. Common causes include Wear and tear on the return spring over time, Contamination or debris affecting the spring's function, Misalignment or improper installation of the return spring. 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
- P1160 indicates Return Spring Failure.
- Common causes
- Common causes include Wear and tear on the return spring over time, Contamination or debris affecting the spring's function, Misalignment or improper installation of the return spring.
- 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 P1160 Description
The P1160 diagnostic trouble code indicates a return spring failure within the vehicle's throttle control system. The return spring is responsible for ensuring that the throttle valve returns to its idle position after the driver releases the accelerator pedal. When this return spring fails, it can lead to issues with throttle response, engine performance, and fuel efficiency. If left unaddressed, it can potentially cause further damage to the throttle system and other related components.
Common Causes of P1160
- Wear and tear on the return spring over time
- Contamination or debris affecting the spring's function
- Misalignment or improper installation of the return spring
- Electrical issues within the throttle control system
- Mechanical damage to the spring or related components
Symptoms of P1160
- Reduced acceleration or sluggish throttle response
- Engine stalling or surging
- Difficulty maintaining a steady speed
- Check Engine Light illuminated
- Increased fuel consumption
How to Fix P1160
- Diagnose the issue by checking the return spring and related components for damage or wear.
- Replace the faulty return spring with a new one that meets the manufacturer's specifications.
- Inspect and clean the throttle control system to ensure proper functioning.
- Test drive the vehicle to verify that the throttle response and engine performance have returned to normal.
- Clear the diagnostic trouble code and reset the vehicle's computer system to ensure the issue has been resolved.
Cost to Fix P1160
The cost of repairing a return spring failure can vary depending on the make and model of the vehicle, as well as the labor rates in your area. On average, the cost of replacing a return spring and addressing related issues can range from $150 to $300. Additional costs may be incurred if other components need to be repaired or replaced. It is recommended to obtain quotes from local auto repair shops to get a more accurate estimate for your specific situation.
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Code P1160 Information for Specific Makes
- P1160 Audi — Intake Air Temperature Sensor Short To Ground
- P1160 BMW — Fuel Trim Adaptation Additive Low Bank 2
- P1160 Buick — O2 Reference Voltage Circuit High Voltage (NOx Sensor 1)
- P1160 Cadillac — O2 Reference Voltage Circuit High Voltage (NOx Sensor 1)
- P1160 Chevrolet — O2 Reference Voltage Circuit High Voltage (NOx Sensor 1)
- P1160 Chrysler — Ignition Voltage
- P1160 Dodge — Ignition Voltage
- P1160 GMC — O2 Reference Voltage Circuit High Voltage (NOx Sensor 1)
- P1160 Jeep — Ignition Voltage
- P1160 MINI — Fuel Trim Adaptation Additive Low Bank 2
- P1160 Subaru — Return Spring Failure
- P1160 Volkswagen — Intake Air Temperature Sensor Short To Ground
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