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Code P0016, timing belt?

Tiny
AYANNA94
  • MEMBER
  • 2008 KIA RIO
  • 4 CYL
  • AUTOMATIC
  • 83,000 MILES
My car recently shut off. We looked at the codes and it gave code p0342. We took it to a mechanic shop they said it was missing teeth on the timing belt. They replaced it and now it works and drives but it gives code p0016. I took it back and they said that if it was the timing belt then it wouldn't be running or driving. We keep telling them we think it's misaligned, does that sound right?
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Sunday, October 1st, 2023 AT 9:28 AM

11 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,269 POSTS
Hi,

The code indicates there is an excessive variance between the camshaft position sensor (CMP) and the crankshaft position sensor (CKP). If the deviation between CKPS and CMPS is bigger than the threshold value, PCM sets DTC P0016.

To answer your question, yes, if the timing is a tooth-off, it could cause this. However, please understand there are other things. For example, if one of the sensors is faulty, there is an oil path that is clogged, and so on can cause the code. See pic below.

I attached a pic below showing the possible causes.

Other than the code, how does the engine run? Is it smooth or does it have a rough idle and other drivability issues?

Let me know.

Joe

See pic below.
Image (Click to make bigger)
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Sunday, October 1st, 2023 AT 9:32 PM
Tiny
AYANNA94
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Thank you for that! It runs perfectly fine. I wouldn't even know that it was throwing a severe code if it wasn't for it showing the code. I was able to drive it back to the mechanic shop and everything.
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Sunday, October 1st, 2023 AT 9:44 PM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,269 POSTS
Hi,

If it is running properly and there is no power loss, chances are it is a connector issue. Is the shop planning to check things for you?

Let me know.

Joe
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Sunday, October 1st, 2023 AT 10:18 PM
Tiny
AYANNA94
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  • 6 POSTS
Yes, I left the car there today for them to see what's wrong. I will let you know what they say.
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Monday, October 2nd, 2023 AT 11:19 AM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,269 POSTS
Hi,

Thanks for the update. I look forward to hearing what is found. I'm interested in knowing what is found.

Take care,

Joe
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Monday, October 2nd, 2023 AT 7:30 PM
Tiny
AYANNA94
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  • 6 POSTS
So, we took it to another shop, and they retimed it and replaced a coil. But the light is still popping up. I'm going to take it back tomorrow and ask them to check the connector.
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Wednesday, October 4th, 2023 AT 6:09 PM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
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Sounds like a plan. Something isn't adding up or we are missing something very simple. I don't recall you indicating this was an issue prior to the original repairs, so if it isn't the belt, chances are a wire is damaged.

Let me know what is found. I'm really curious at this point.

Take care of yourself.

Joe
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Wednesday, October 4th, 2023 AT 7:58 PM
Tiny
AYANNA94
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It wasn't an issue but when we brought the car back to the mechanic shop, they had the car shaking. I guess they took out a coil. We went to a second shop that's where they retimed it and replaced the coil. We took it back because the light came on they replaced the crankshaft sensor and oil control valve. Still nothing. Can you explain what exactly to tell them about connector issues? Because at this point it seems like they are guessing.
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Thursday, October 5th, 2023 AT 5:16 PM
Tiny
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Hi,

As far as the connections are concerned, they need to be tight, free of corrosion and undamaged. I attached the possible causes (since we know the belt is correct).

Ask if they checked any of the things listed. Also, if they need diagnostic steps, let me know and I'll get them for you.

Take care,

Joe

See pic below. Note: CMPS is the camshaft position sensor, CKPS is the crankshaft position sensor, OCV is the oil control valve, CVVT is the continuously variable valve timing. The PCM is the powertrain control module.
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Thursday, October 5th, 2023 AT 7:19 PM
Tiny
AYANNA94
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So, after taking it to the third shop, which was the dealership, they finally figured out the problem, which was it needed a new cam phaser and the code finally went off.
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Thursday, November 16th, 2023 AT 8:57 AM
Tiny
JACOBANDNICKOLAS
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Hi,

Thank you for the update. I'm glad to know the problem has been resolved.

Feel free to come back anytime in the future if you have questions.

Take care,

joe
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Thursday, November 16th, 2023 AT 8:26 PM

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