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What Is Engine Code P1518?

FAQs Jackson Bowman July 23, 2022

A P1518 code is a manufacturer specific diagnostic trouble code that occurs when the PCM/ECM detects a problem with the IMRC. Each cylinder has two intake air ducts, which are made of aluminum and one duct is always open while the other is opened and closed with a throttle plate.

What does P1518 mean?

How does intake manifold runner control work?

Intake Manifold Runner Control (IMRC) is an electrically operated system consisting of a motorized actuator with a mounting linkage for each housing on each bank. The linkage attaches to the case’s wing plate levers. Each IMRC body is a cast aluminum with two intake air ducts for each cylinder.

What does the code P2004 mean?

If you are getting a problem with the OBD-II scanner error code P2004, it means that the intake manifold control actuator is stuck in the open position.

How do you fix code p1518?

Where is the TAC module located?

The TAC module is mounted on the bulkhead on the driver’s side under the corner brace. There are 2 connectors plugged in at the bottom, a 10-pin and a 16-pin.

How much does it cost to replace a intake manifold runner control?

How much does it cost to replace an intake manifold control valve? A new intake manifold runner valve can cost between $50 and $200, depending on factors such as your vehicle’s make and specifications. Labor costs to replace a damaged intake manifold runner valve typically range from $300 to $400.

How do you diagnose a bad intake manifold runner?

What causes an intake manifold to go bad?

Common problems with intake manifolds include vacuum, coolant or oil leaks, reduced flow due to carbon buildup, and intake tuning valve issues. On some engines, an intake manifold can corrode or crack, causing either vacuum or coolant leaks. A cracked distributor must be replaced if it cannot be safely repaired.

How do I fix error code P2004?

Can I drive with P2004 code?

Can I drive with a P2004 trouble code? As long as you don’t have any trouble running the motor, you can keep driving until you can get it fixed.

How do you test intake manifold runner control solenoid?

References:

  1. https://www.youtube.com/watch?v=u-pb5n5Budg
  2. https://www.motor.com/magazine-summary/trouble-shooter-july-2009/
  3. https://www.autozone.com/diy/diagnostic-trouble-codes/p2004-intake-manifold-runner-control-stuck-open-bank-1
  4. https://obd2pros.com/dtc-codes/p1518/
  5. https://0901.nccdn.net/4_2/000/000/038/2d3/GM-Electronic-Throttle-Troubleshooting.pdf
  6. https://www.carparts.com/intake-manifold-runner-valve
  7. https://www.carparts.com/blog/intake-manifold-runner-valves-what-you-need-to-know/
  8. https://www.samarins.com/glossary/intake_manifold.html
  9. https://www.yourmechanic.com/article/p2004-obd-ii-trouble-code-intake-manifold-runner-control-stuck-open-bank-1-by-jamahl-walker
  10. https://answers-to-all.com/popular/can-you-drive-with-a-p2004-code/
  11. https://www.youtube.com/watch?v=ahL7nxD1I1I

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