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Car question, 2012 Hyundai sonata, Trying to find out why…

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Car question

Mechanic's Assistant: What is the complete model and serial number of your machine?

2012 Hyundai sonata

Mechanic's Assistant: Are you fixing this yourself? What have you tried so far?

Trying to find out why car stopped

Mechanic's Assistant: Anything else you want the equipment mechanic to know before I connect you?

I pressed accelerator too hard and car stopped working

Submitted: 11 months ago.Category: Car
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Answered in 11 hours by:
9/17/2017
Auto Mechanic: sprinkles08, ASE Certified Technician replied 11 months ago
sprinkles08
sprinkles08, ASE Certified Technician
Category: Car
Satisfied Customers: 24,189
Experience: ASE Master and Advanced level certified. Factory trained with 17 years dealership experience
Verified

Hello and welcome to JustAnswer!

It appears that your engine died and now will not restart. There are many things that can cause the engine to die and it will require some testing to determine exactly what is wrong. You may have an electrical issue and are missing spark, it may be lack of fuel pressure, a fuel quality concern, improper cam timing, even the engine controller itself.

Are you hoping to do the required testing yourself?

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Customer reply replied 11 months ago
no, just trying to figure out what broke, how and why.
Customer reply replied 11 months ago
are you there?
Auto Mechanic: sprinkles08, ASE Certified Technician replied 11 months ago

I'm not sure what kind of help you're looking for?

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Customer reply replied 11 months ago
after accelerating on to the express way in my 2012 Hyundai Sonata, the engine shut off and I could barely get to the shoulder
I think I may have over reved the engine and wondering what I could have broke
Auto Mechanic: sprinkles08, ASE Certified Technician replied 11 months ago

I did see that the engine died and would not start. There are dozens of possible causes for a no start condition as I mentioned, and testing will be required to determine what is wrong. If you're not able or willing to do the required testing yourself then you'll want to tow it to a shop or dealer. Diagnosing the problem will most likely not exceed a one hour diagnostic charge.

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Customer reply replied 11 months ago
it is already at a dealer and they are not open today
could I have blown the whole engine or just a throttle or something
Auto Mechanic: sprinkles08, ASE Certified Technician replied 11 months ago

It's not likely that the engine is internally damaged unless there was abnormal noise, it was overheating or the oil light was on.

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Customer reply replied 11 months ago
no abnormal noise, but all of the lights on the instrument panel lit up and the car stopped accelerating
Auto Mechanic: sprinkles08, ASE Certified Technician replied 11 months ago

The oil light coming on after the engine died would be normal.

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Customer reply replied 11 months ago
the over revving would probably not be a MAJOR repair
Auto Mechanic: sprinkles08, ASE Certified Technician replied 11 months ago

It can't over rev, a rev limiter is in place on all engines with fuel injection and electronic ignition. The engine can't exceed a speed deemed safe by the engineers.

There isn't a way to know what has failed until the problem is diagnosed. As I mentioned it isn't likely that the engine is internally damaged unless there was abnormal noise, it was overheating or the oil light was on.

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Customer reply replied 11 months ago
can you break the rev limiter somehow that would cause an engine shutdown
Auto Mechanic: sprinkles08, ASE Certified Technician replied 11 months ago

No.

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