Rick's Free Auto Repair Advice

Posts Tagged: P1506 mercury tracer

P1506 Ford high idle speed

Fix code P1506 Ford high idle speed If you own a Ford Escort, Focus, or Tracer with the 2.0-liter engine and experience a high idle speed or trouble code P1506. The official definition is P1506 Idle Air Control System Over speed Error. That means the idle air controller has tried to maintain the proper idle speed, yet the idle speed is still too high. Start by disconnecting the connector to the idle air controller (IAC) solenoid. The idle speed should drop very low. Or the engine may stall. However, if … Read More


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