In most cases, you should expect to pay about $150 to $400 in the United States for a crankshaft position sensor replacement on a 2016 Hyundai Elantra, depending on the part you choose and the shop’s labor rate.
What the crankshaft position sensor does and why it fails
The crankshaft position (CKP) sensor monitors the engine’s rotational speed and crankshaft position and relays this information to the engine control module to synchronize ignition and fuel injection. When the sensor fails or signals erratically, the car can experience stalling, hard starting, rough idling, or a check engine light with codes such as P0335. Replacing the sensor typically resolves these symptoms, but the cost depends on parts and labor.
Cost factors and typical ranges
Prices for a CKP sensor replacement vary based on the part type, labor rates, and whether the job is performed at a dealership or independent shop. Here is a breakdown of the main cost components.
- Parts: CKP sensors vary by brand and origin. Aftermarket sensors generally range from about $20 to $60, while Hyundai OEM/dealer sensors commonly fall in the $60 to $150 range.
- Labor: Accessing and replacing the sensor usually takes 0.5 to 2 hours, depending on engine layout and whether other components must be removed. Labor rates at shops typically run from $75 to $125 per hour.
- Diagnostic and related items: Some shops include a diagnostic fee or reprogramming, and there may be small additional costs for wiring connectors or seals if needed.
In practical terms, most customers in the United States see total quotes in the ballpark of $150 to $350 when aftermarket parts are used, and about $250 to $400 if OEM/dealer parts are specified. Regional price differences and shop policies can push the total higher or lower.
DIY vs professional service
Replacing a CKP sensor yourself can save the labor portion of the bill, typically ranging from about $75 to $125 per hour in many regions. However, DIY work depends on your mechanical skill, available tools, and the sensor’s location (some Elantra models put the sensor in a difficult-to-reach area). If you opt to DIY, ensure you have the correct replacement part, a service manual, and a method to safely disconnect the battery and avoid wiring damage. When in doubt, a professional installation also provides a warranty on the labor and part.
What to expect from a service quote
A typical service quote for a CKP sensor replacement includes the part cost, labor time, and any diagnostic fee. Some quotes may itemize additional items such as replacing a nearby connector, applying dielectric grease to wiring harnesses, or rechecking system codes after installation. If a fault code persists after replacement, the shop may perform further diagnostics to identify related issues such as wiring damage or a faulty ignition coil or fuel injector.
Summary
For a 2016 Hyundai Elantra, replacing the crankshaft position sensor generally costs between $150 and $400 in the United States, depending on whether you choose aftermarket or OEM parts and on local labor rates. DIY replacement can reduce the bill by eliminating labor costs, but requires mechanical skill and the right tools. Always confirm parts pricing, diagnostic fees, and any warranty terms with your chosen shop or technician before proceeding.


