A Crank Angle Sensor (CAS), also known as a Crankshaft Position Sensor, is an essential engine management component. It monitors the rotational speed and position of the crankshaft, sending signals to the engine control unit (ECU). This allows the ECU to correctly time fuel injection and ignition for smooth, efficient performance.
Without a working CAS, your engine cannot run reliably, as it loses critical timing information.
Why is the Crank Angle Sensor Important?
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Precise Ignition Timing – Provides the ECU with real-time crankshaft data.
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Engine Performance – Ensures smooth acceleration and idle.
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Fuel Efficiency – Helps maintain the correct fuel-to-air ratio.
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Safety – Prevents stalling and misfires that could lead to breakdowns.
Symptoms of a Faulty Crank Angle Sensor
If your CAS is failing, you may notice:
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Engine misfires or rough running
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Difficulty starting (hot or cold)
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Sudden stalling while driving
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Check Engine light with fault codes (often P0335–P0339)
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Poor fuel efficiency or sluggish acceleration
When to Replace a Crank Angle Sensor:
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Engine Performance Issues: If you experience rough idling, misfires, or stalling, it could be a sign that the CAS is failing.
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Difficulty Starting the Engine: A faulty sensor might prevent the engine from starting or cause intermittent starting issues.
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Check Engine Light: The ECU might detect a problem with the CAS and trigger the check engine light on your dashboard.
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Inconsistent Engine RPM: If the engine RPMs fluctuate or behave erratically, it might indicate a problem with the CAS.
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Poor Fuel Economy: A failing sensor can affect fuel injection timing, leading to reduced fuel efficiency.
Crank Angle Sensors We Stock
At Aus Auto Store, we supply both genuine OEM and high-quality aftermarket Crank Angle Sensors for popular vehicles including Toyota, Nissan, Mitsubishi, Isuzu, Mazda, Hyundai, and more.
✅ Genuine OEM sensors for factory performance
✅ Reliable aftermarket options at affordable prices
✅ Backed by warranty and tested for Australian conditions
✅ Fast, tracked delivery anywhere in Australia
How to Choose the Right Crank Angle Sensor
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Check Part Number – Match with the original sensor in your vehicle.
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Confirm Compatibility – Use our VIN/rego fitment tool to ensure correct fit.
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Ask Our Experts – Our team can help you select the right CAS for your model.
Frequently Asked Questions
What happens if I drive with a bad Crank Angle Sensor?
Your vehicle may stall suddenly, misfire, or refuse to start. Long-term, it can cause damage to ignition and fuel systems.
Are aftermarket crank sensors reliable?
Yes. We source aftermarket sensors that meet OEM standards, offering excellent reliability at a lower cost.
Can I replace a Crank Angle Sensor myself?
If you have mechanical experience, it’s a straightforward job. Otherwise, we recommend professional installation.
Do you ship Australia-wide?
Yes. We offer fast delivery to all major cities and regional areas.
Buy Crank Angle Sensors Online from a Trusted Aussie Store
At Aus Auto Store, we make it easy to order the right Crank Angle Sensor for your vehicle. Whether you choose a genuine OEM sensor or a budget-friendly aftermarket option, you’ll enjoy fast delivery, warranty protection, and expert support.
Shop Crank Angle Sensors today – trusted by Australian drivers nationwide.
