P1140 Code - Intake Valve Timing Control Performance Bank 1
Quick Answer
The P1140 code indicates an issue with the Intake Valve Timing Control (IVTC) system on Bank 1 of the engine. Common causes include Faulty Intake Valve Timing Control Solenoid, Wiring or electrical issues in the IVTC system, Low engine oil level or dirty oil. 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
- P1140 indicates Intake Valve Timing Control Performance Bank 1.
- Common causes
- Common causes include Faulty Intake Valve Timing Control Solenoid, Wiring or electrical issues in the IVTC system, Low engine oil level or dirty oil.
- 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 P1140 Description
The P1140 code indicates an issue with the Intake Valve Timing Control (IVTC) system on Bank 1 of the engine. The IVTC system is responsible for adjusting the timing of the intake valves to optimize engine performance and efficiency. When this system malfunctions, it can lead to poor engine performance, decreased fuel efficiency, and potential long-term damage if not addressed promptly.
Common Causes of P1140
- Faulty Intake Valve Timing Control Solenoid
- Wiring or electrical issues in the IVTC system
- Low engine oil level or dirty oil
- Timing chain or belt issues
- Engine control module (ECM) malfunction
Symptoms of P1140
- Reduced engine power
- Rough idling or stalling
- Decreased fuel efficiency
- Engine misfires
- Illumination of the Check Engine Light
How to Fix P1140
- Diagnose the specific cause of the P1140 code using a diagnostic scanner.
- Inspect the IVTC solenoid and wiring for any signs of damage or corrosion.
- Check the engine oil level and quality, and perform an oil change if necessary.
- Inspect the timing chain or belt for wear or damage, and replace if needed.
- Clear the code, reset the ECM, and test drive the vehicle to ensure the issue has been resolved.
Cost to Fix P1140
The cost of repairing the Intake Valve Timing Control Performance issue can vary depending on the specific cause of the problem. On average, the parts for this repair can range from $100 to $300, while the labor costs can be between $150 and $300. Overall, the total repair cost for this issue typically falls in the range of $250 to $600. It is important to note that these are rough estimates, and actual costs may vary based on the factors mentioned earlier.
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Code P1140 Information for Specific Makes
- P1140 Audi — HO2S22 Internal Resistance Too High
- P1140 BMW — Mass or Volume Air Flow Circuit Range/Performance Problem
- P1140 Buick — HO2S Transition Time Ratio Bank 1 Sensor 2
- P1140 Cadillac — HO2S Transition Time Ratio Bank 1 Sensor 2
- P1140 Chevrolet — HO2S Transition Time Ratio Bank 1 Sensor 2
- P1140 Chrysler — Vacuum Reservoir Solenoid Circuit Condition
- P1140 Dodge — Vacuum Reservoir Solenoid Circuit Condition
- P1140 Ford — Water In Fuel Condition
- P1140 GMC — HO2S Transition Time Ratio Bank 1 Sensor 2
- P1140 Hyundai — Inlet Air Temperature Sensor Malfunction
- P1140 Infiniti — Intake Valve Timing Control Performance Bank 1
- P1140 Jeep — Vacuum Reservoir Solenoid Circuit Condition
- P1140 Lincoln — Water In Fuel Condition
- P1140 Mercury — Water In Fuel Condition
- P1140 MINI — Mass or Volume Air Flow Circuit Range/Performance Problem
- P1140 Nissan — Intake Valve Timing Control Performance Bank 1
- P1140 Subaru — Front Left Oxygen Sensor Heater Circuit Range
- P1140 Volkswagen — HO2S22 Internal Resistance Too High
Frequently Asked Questions about P1140 Code
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