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Do I need to perform a relearn when I replace the CAM sensors?

Tiny
HOOKIE
  • MEMBER
  • 2017 HYUNDAI TUCSON
  • 2.0L
  • 4 CYL
  • AUTOMATIC
  • 100,000 MILES
Hello, do I need to perform a relearn when I replace the cam sensors on this car? How about if it's an OEM same part number replaced? I'm confused. We both two Chinese sensors and the check engine light went off, but car skipped and wouldn't run right. I am returning the Chinese made sensors. Would an OEM Hyundai cam sensor need to be relearned? What brand does not have to be relearned? Thanks
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Sunday, April 7th, 2024 AT 9:06 AM

7 Replies

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 42,913 POSTS
These sensors are delicate and cannot be dropped or over tightened. They don't have a relearn procedure. Here are the locations of the sensor and how to replace them. Check out the images (below). Let us know if you need anything else.
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Sunday, April 7th, 2024 AT 11:05 AM
Tiny
HOOKIE
  • MEMBER
  • 75 POSTS
Hi Ken, so they don't need to be reprogrammed or relearned, correct? The new ones made the check engine lite go out but when I replace both new aftermarket cam sensors.
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Sunday, April 7th, 2024 AT 12:43 PM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 42,913 POSTS
According to the instructions they don't mention a relearn procedure.
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Monday, April 8th, 2024 AT 10:19 AM
Tiny
HOOKIE
  • MEMBER
  • 75 POSTS
Thank you so much.
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Monday, April 8th, 2024 AT 6:15 PM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 42,913 POSTS
You are welcome, please use 2CarPros anytime we are here to help.
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Tuesday, April 9th, 2024 AT 9:45 AM
Tiny
HOOKIE
  • MEMBER
  • 75 POSTS
Thank you for all your help. You guys are great I got a P0016 code on this same 2017 Hyundai Tuscon SE, do you think the cam sensor could be bad? Because when I put in the new aftermarket cam sensor in, the check engine light went off and the car started okay but wouldn't run right. Cheap Chinese CAM sensors. I just ordered OEM, but someone told me could be loose timing chain.
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Wednesday, April 10th, 2024 AT 6:30 AM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 42,913 POSTS
Yes, this is a different problem, please start a new post so I can help you. Please include the code number in the post as well.
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Wednesday, April 10th, 2024 AT 9:19 AM

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