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2002 Ford Ranger 2.3L Engine P1537 Intake Manifold Runner Control Stuck Open - Diagnosis and Fix

Model: 2002 Ford Ranger Fault Code: P1537 Posted: 2014-06-10 20:17

I'm experiencing a P1537 diagnostic trouble code on my 2002 Ford Ranger 2.3L, indicating an intake manifold runner control (IMRC) stuck open issue. What are the most effective steps to diagnose and repair this problem? Additionally, what are the potential consequences if I do not address it promptly?

Related fault codes

P1537

Comments (2)

Anonymous 2014-06-11 08:21

The IMRC actuator is likely failed or seized. It is secured by a single bolt, an electrical connector, and a vacuum hose—making replacement relatively straightforward. As part of the engine control system, failing to repair it will result in reduced engine performance and decreased fuel efficiency.

Anonymous 2014-06-11 11:09

Thanks Mohawkmtrs. I've also found guidance suggesting that checking the vacuum line for leaks or damage is essential. In some cases, reprogramming the engine control module (ECM) to cycle the IMRC during driving may help restore proper operation.