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Where is the idle adjustment located on a 1990 Nissan Micra?

The 1990 Nissan Micra (also known as the Nissan March in some markets) doesn't have a manually adjustable idle speed screw in the traditional sense like many older carbureted cars. Its idle speed is controlled electronically by the Engine Control Unit (ECU).

Therefore, there's no idle adjustment screw you can physically turn. Any idle speed issues would need to be addressed by diagnosing and potentially repairing or replacing components within the fuel injection system, the air intake system, or the ECU itself. A mechanic with diagnostic equipment would be needed to pinpoint the problem.

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