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Tech Tip - N16 Pulsar idle fault
Symptom: Low idle, stalling, erratic idle, high idle
Cause: A common fault with the N16 is with the idle speed stepper motor assembly. The coolant leaks through the aluminium housing causing the electrics in the idle motor to fail. In the majority of cases not only is the idle motor assembly damaged but causes the ECU idle driver circuit to fail.
Remedy: If the idle motor tests faulty then the motor will need to be replaced. As it is very common for a faulty idle motor to cause damage to the ECU then it is highly recommended to have the ECU tested. AFI can test the idle motor and the ECU. Read more. AFI also provide repair/parts packages for the ECU/motor some of these are detailed below or contact your local CoolDrive EFI Division for more information.

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Idle Control Motor Assembly
Stock code IAC9110
Locate your local supplier click here
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Cam & Crank Angle Sensors (Set)
Stock code CAS1201
Locate your local supplier click here
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Air Mass metre 1.6 Litre / 1.8 Litre (up to 7/04)
Stock code AMM9031
Locate your local supplier click here
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Ignition Coils
Stock code C9072A
Locate your local supplier click here
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Neither is any liability assumed by CoolDrive for damage or loss resulting from reliance on the information or process disclosed.