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Code : P1538
Description : P1538 MERCURY Intake Manifold Runner Control Stuck Open Bank 2
Possible causes :
– Faulty Intake Manifold Runner Control (IMRC) Solenoid
– Intake Manifold Runner Control Solenoid harness is open or shorted
– Intake Manifold Runner Control Solenoid circuit poor electrical connection
Solutions :
– Carry out a Reset via CarDiag
– Choose a better quality fuel
– Check that the tank cap is securely closed
– Check the oil level and add more if it is lower than MAX
– Restart an Automatic diagnostic via CarDiag
– If the fault persists, you can check the “Possible causes” listed above : visually inspect (by yourself (tutorials to come) or by a professional) the wiring harness and the associated connectors, check for damaged components, and look for broken, bent, pushed, or corroded connector pins.

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