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Car cranks but will not start

Tiny
KIMM45
  • MEMBER
  • 2006 KIA SORENTO
  • 6 CYL
  • AUTOMATIC
  • 150,000 MILES
There's no check engine light. I changed every sensor in the car, change the spark plugs, and still won't start. It cranks like it wants to start but it won't.
Tuesday, April 23rd, 2019 AT 1:00 PM

1 Reply

Tiny
SCGRANTURISMO
  • MECHANIC
  • 4,897 POSTS
Hello,

This could be a problem with your vehicle's Crankshaft Position Sensor (CKP). Your vehicle's Power-train Control Module (PCM) or "computer" uses the signal from the CKP to determine the rotational speed of the crankshaft (rpm's) and also to determine if and the severity of an engine misfire. If the CKP is not working the PCM will not realize that the engine is rotating and will not send signals to the spark plugs or fuel injectors to start the vehicle.
I have included information on your vehicle's CKP in the diagrams down below. I have also included a few links below for you to go to:

https://www.2carpros.com/articles/how-a-crank-shaft-angle-sensor-works
https://www.2carpros.com/articles/symptoms-of-a-bad-crankshaft-sensor
https://www.2carpros.com/articles/crankshaft-angle-sensor-replacement

Please go through these guides and get back to us with what you are able to find out.

Thanks,
Alex
2CarPros
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Wednesday, April 24th, 2019 AT 5:09 AM

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