{"id":285,"date":"2019-05-16T09:39:11","date_gmt":"2019-05-16T09:39:11","guid":{"rendered":"http:\/\/carpartsblog.wpengine.com\/?p=285"},"modified":"2026-04-29T02:47:12","modified_gmt":"2026-04-29T09:47:12","slug":"how-to-replace-faulty-crankshaft-position-sensor","status":"publish","type":"post","link":"https:\/\/www.carparts.com\/blog\/how-to-replace-faulty-crankshaft-position-sensor\/","title":{"rendered":"How to Replace a Faulty Crankshaft Position Sensor"},"content":{"rendered":"\nReading Time: <\/span> 4<\/span> minutes<\/span><\/span>\n\n\n\n

The last thing you need on a summer road trip is your car suddenly stalling in the middle of the highway with the baking-hot sun scorching everything in its path. The “Check Engine” light should turn on when this happens but it’s going to be too late to fix anything under the hood at this point. If it’s the crankshaft position sensor that has problems, these should have been addressed way before you started planning your summer vacation.<\/p>\n\n\n\n

In this article, we’ll tell you everything you need to know about the crankshaft position sensor, including symptoms to look out for and how to replace this component if you want to take a stab at DIY repair.<\/p>\n\n\n

\n
\"\"
Your car could stall or fail to start if you have a bad crankshaft position sensor.<\/figcaption><\/figure><\/div>\n\n\n

The Crankshaft Position Sensor<\/h2>\n\n\n\n

So what is a crankshaft position sensor and what does it do?<\/p>\n\n\n\n

The crankshaft position sensor (CKP) is a device in most modern automobiles that registers the rotational speed and position of the crankshaft, and sends that data to the engine control unit (ECU), so it can regulate engine processes like ignition and fuel injection according to operating conditions.<\/p>\n\n\n\n

Basically, what this means is that the engine will not perform efficiently or will not work at all if the crankshaft sensor is faulty<\/a>. The following are signs of a bad crankshaft sensor to look out for:<\/p>\n\n\n\n