P1516 1999 Ford F150 Code - Intake Manifold Runner Control Input Error Bank 1
Quick Answer
The Intake Manifold Runner Control (IMRC) is an electrically actuated system consisting of a motorized actuator with an attaching linkage for each housing on each bank. Common causes include Faulty Intake Manifold Runner Control (IMRC) actuator, Intake Manifold Runner Control actuator harness is open or shorted, Intake Manifold Runner Control actuator 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
- P1516 1999 Ford F150 indicates Intake Manifold Runner Control Input Error Bank 1.
- Common causes
- Common causes include Faulty Intake Manifold Runner Control (IMRC) actuator, Intake Manifold Runner Control actuator harness is open or shorted, Intake Manifold Runner Control actuator 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 P1516 1999 Ford F150 Description
What are the Possible Causes of the DTC P1516 1999 Ford F150?
- Faulty Intake Manifold Runner Control (IMRC) actuator
- Intake Manifold Runner Control actuator harness is open or shorted
- Intake Manifold Runner Control actuator circuit poor electrical connection
- Faulty Powertrain Control Module (PCM)
How to Fix the DTC P1516 1999 Ford F150?
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 P1516 1999 Ford F150 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 P1516 1999 Ford F150 Code
1. What does the OBDII code P1516 mean on a 1999 Ford F150?
P1516 indicates an "Intake Manifold Runner Control (IMRC) Input Error on Bank 1," meaning the IMRC system is not working properly on the bank containing cylinder 1.
2. What are the common symptoms of the P1516 code on a 1999 Ford F150?
Symptoms may include reduced engine performance, poor fuel economy, rough idling, hesitation during acceleration, and the check engine light illuminating.
3. What causes the P1516 code on a 1999 Ford F150?
Common causes include a malfunctioning IMRC actuator, a stuck intake manifold runner, wiring or electrical issues, or carbon buildup restricting the IMRC system.
4. Can I drive my 1999 Ford F150 with the P1516 code?
While the truck may still be drivable, it can experience reduced performance and fuel efficiency. Prolonged driving without addressing the issue could potentially cause further damage.
5. How do I fix the P1516 code on a 1999 Ford F150?
Repairs may involve cleaning or replacing the IMRC actuator, inspecting and repairing wiring or connectors, cleaning carbon buildup from the intake manifold, or replacing the intake manifold if necessary.
6. How do I diagnose the P1516 code on my 1999 Ford F150?
Start by using a scan tool to confirm the code and inspect the IMRC actuator and related wiring. Check for carbon buildup in the intake manifold and ensure the runners move freely.
7. What is the function of the Intake Manifold Runner Control system in a 1999 Ford F150?
The IMRC system optimizes airflow to the engine by adjusting the position of intake manifold runners based on engine speed and load, improving performance and efficiency.
8. How much does it cost to repair the P1516 code on a 1999 Ford F150?
The cost depends on the root cause. Cleaning the intake manifold may cost $100–$300, while replacing the IMRC actuator or intake manifold could cost $300–$800 or more.
9. Can cleaning the intake manifold fix the P1516 code on a 1999 Ford F150?
Yes, if carbon buildup is causing the IMRC system to stick or malfunction, cleaning the intake manifold may resolve the issue.
10. What tools are needed to troubleshoot the P1516 code on a 1999 Ford F150?
Basic tools include a scan tool or OBDII code reader, a multimeter for testing electrical connections, and tools for inspecting and cleaning the intake manifold runners.
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