P1512 Chevrolet Code - Intake Manifold Runner Control Stuck Close
Quick Answer
The commanded throttle position is compared to the actual throttle position based on accelerator pedal position and possibly other limiting factors. Common causes include Faulty Throttle Body Assembly, Throttle Body Assembly harness is open or shorted, Throttle Body Assembly circuit poor electrical connection. 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
- P1512 Chevrolet indicates Intake Manifold Runner Control Stuck Close.
- Common causes
- Common causes include Faulty Throttle Body Assembly, Throttle Body Assembly harness is open or shorted, Throttle Body Assembly circuit poor electrical connection.
- 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.
Code P1512 Chevrolet Description
What are the Possible Causes of the DTC P1512 Chevrolet?
- Faulty Throttle Body Assembly
- Throttle Body Assembly harness is open or shorted
- Throttle Body Assembly circuit poor electrical connection
How to Fix the DTC P1512 Chevrolet?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P1512 Chevrolet code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
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Frequently Asked Questions about P1512 Chevrolet Code
1. What does the OBDII code P1512 on a Chevrolet mean?
P1512 indicates that the Intake Manifold Runner Control (IMRC) is stuck closed, preventing proper air flow management for optimal engine performance.
2. What are the symptoms of code P1512 on a Chevrolet?
Common symptoms include reduced engine power, poor acceleration, rough idling, increased fuel consumption, and possible illumination of the check engine light.
3. What causes the P1512 code on a Chevrolet?
Typical causes include a faulty IMRC actuator, stuck or damaged intake manifold runner flaps, wiring issues, or carbon buildup restricting flap movement.
4. Can driving with the P1512 code damage my Chevrolet engine?
While driving with this code may not cause immediate damage, prolonged operation can lead to reduced engine efficiency and potential long-term issues like carbon buildup.
5. How do you diagnose the P1512 code on a Chevrolet?
Diagnosing involves checking the IMRC actuator for proper function, inspecting wiring and connections for damage, and visually inspecting the intake manifold for obstructions or carbon buildup.
6. How do you fix the P1512 code on a Chevrolet?
Repairs may include cleaning the intake manifold, replacing the IMRC actuator, repairing damaged wiring, or replacing broken intake runner flaps.
7. Can I clean the intake manifold runner system to resolve the P1512 code?
Yes, cleaning the intake manifold and runner flaps can often resolve this code if carbon buildup is the issue.
8. How much does it cost to repair the P1512 code on a Chevrolet?
Repair costs vary but typically range from $200 to $700, depending on whether cleaning, part replacement, or extensive labor is required.
9. Can a bad IMRC actuator cause the P1512 code?
Yes, a malfunctioning IMRC actuator is a common cause of this code, as it controls the movement of the intake manifold runner flaps.
10. Will resetting the check engine light fix the P1512 code?
Resetting the check engine light may temporarily clear the code, but the underlying issue must be addressed to prevent it from returning.
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