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Will not stay running

Tiny
FARR2007
  • MEMBER
  • 2013 KIA RIO
  • 1.6L
  • 2WD
  • AUTOMATIC
  • 130,000 MILES
Car will crank over and fire up but stalls out right away. I just put a new fuel pump in. I can crank it and crank it, but it also has no throttle response. I think the ignition is cutting the fuel pump out.
Monday, June 6th, 2022 AT 3:06 PM

9 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,289 POSTS
Hi,

This could be a fuel-related issue or ignition-related. By chance, have you scanned the computer to retrieve diagnostic trouble codes? Here is a video showing how it's done:

https://youtu.be/b2IJGfImVvw

Also, I've seen where the crankshaft position sensor can cause this. Take a look through this link and let me know if it seems to mirror what you experience:

https://www.2carpros.com/articles/symptoms-of-a-bad-crankshaft-sensor

Also, pay attention to see if the tachometer is moving when you crank the engine.

Let me know.

Joe
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Monday, June 6th, 2022 AT 11:14 PM
Tiny
FARR2007
  • MEMBER
  • 210 POSTS
I put a new crank sensor in the car, but the symptoms stayed the same. Is it possible the knock sensor is bad? Or could I have gotten a faulty crank sensor from Oreilly's, also is there a way to manually put gas in the engine to get it to fire and run? Also, could timing be off or fuel/air ratio and if so, how can I fix this problem?
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Saturday, June 11th, 2022 AT 2:00 AM
Tiny
FARR2007
  • MEMBER
  • 210 POSTS
Also, this is what lights I have on dash, nit shown Is flashing light that is a yellow a meaning it looks like a letter a with a circle around it and it flashes when attempting to start car.
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Saturday, June 11th, 2022 AT 2:18 AM
Tiny
FARR2007
  • MEMBER
  • 210 POSTS
This is what lights I have on dash, not shown Is flashing light that is a yellow a meaning it looks like a letter a with a circle around it and it flashes when attempting to start car.
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Saturday, June 11th, 2022 AT 2:18 AM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,289 POSTS
Hi,

Any of the things you mentioned could cause a no-start. As far as the crank sensor, yes, it's possible to get a bad one. Have you checked to see if it is getting spark? If the sensor is bad, you will lose spark to the plugs. Here is a link that shows how it's done:

https://www.2carpros.com/articles/how-to-check-for-ignition-spark

Since this is a 2013, the best thing to do would be to scan the can-bus. CAN stands for controller area network. Basically, all the different modules/computers are tied together via a few wires. This type of scan will retrieve codes regardless of the module storing them. Here is a link that shows how it is done:

https://www.2carpros.com/articles/can-scan-controller-area-network-easy

Also, I copied one of your pics and circled what I believe you are referring to. Take a look and let me know if I'm correct. If I am, that is a tire pressure indicator lamp.

Let me know.

Joe

See pic below.

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Saturday, June 11th, 2022 AT 7:18 PM
Tiny
FARR2007
  • MEMBER
  • 210 POSTS
Can you give me a detailed description of where all the sensors are located?
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Sunday, June 12th, 2022 AT 4:41 AM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,289 POSTS
Hi,

I would be happy to. If you are referring to the tire pressure sensors, each wheel has one. I attached a pic below showing one.

If there are others you need, let me know.

Take care,

Joe

See pic below.
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Sunday, June 12th, 2022 AT 7:51 PM
Tiny
FARR2007
  • MEMBER
  • 210 POSTS
What does the tachometer have to do with it not starting?
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Tuesday, June 21st, 2022 AT 5:26 AM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,289 POSTS
Hi,

If the tachometer doesn't move when you are cranking the engine, there is a good chance there is no RPM signal from the crankshaft position sensor which is required for it to run. I realize you replaced it, but there could be a wiring issue.

By chance, could you record it cranking and upload it for me to hear?

Let me know.

Joe
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Tuesday, June 21st, 2022 AT 1:27 PM

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