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Dan, ASE Certified Technician
Category: Jeep
Satisfied Customers: 1650
Experience:  Auto Technician
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Engine is shaking a yellow blinking light is coming on, its

Customer Question

Engine is shaking a yellow blinking light is coming on
JA: Just to clarify, can you tell me which light it is? And does it blink first, then stay on steady?
Customer: its the {!} light and it blinks steady
JA: What is the model/year of your Jeep?
Customer: 2010 jeep wrangler jk unlimited sport
JA: Are you fixing your Wrangler yourself? What have you tried so far?
Customer: The jeep overheated and we put new water and antifreeze in the radiator but when we tried to start it i got a low power symbol so we tried jumping it. Ended up towing it home because it wouldnt start and now the engine spudders and when it finally starts after like 3 clicks it makes a loud engine noise and i get the flashing light {!} and it turned off
JA: Anything else you want the mechanic to know before I connect you?
Customer: thats it
Submitted: 8 months ago.
Category: Jeep
Customer: replied 8 months ago.
jeep did not hit the red line, was about 3/4 on the heat gauge
Expert:  Dan replied 8 months ago.

Hello my name is***** am an ASE Master Technician and I am glad to help you out with your question.

Expert:  Dan replied 8 months ago.

You need to get the codes. You could have a misfire due to the overheat.

Customer: replied 8 months ago.
i tried to pull the codes but it just said -------- then --done---
Expert:  Dan replied 8 months ago.

Sometimes the key dance does not always show the codes. Do you have a scan tool?

Customer: replied 8 months ago.
No i do not.
Expert:  Dan replied 8 months ago.

what kind of engine noise is it making, a knock?

Customer: replied 8 months ago.
its not knocking but more like a very load idle at 1-2000 rpms
Expert:  Dan replied 8 months ago.

An overheat can cause major engine damage. I would do a compression test on the motor just to see what you are working with.

Expert:  Dan replied 8 months ago.

It could be a coil pack issue as well, it sounds like you have a misfire.

Expert:  Dan replied 8 months ago.

Check spark, fuel, compression. You can disconnect the coils while its idling to see which cylinder is misfiring.

Customer: replied 8 months ago.
ok thank you. Can i recontact you tomorrow? Its 9 pm now and i wont be able to test this until the morning
Expert:  Dan replied 8 months ago.

Sure, no problem have a good night.

Customer: replied 8 months ago.
Expert:  Dan replied 8 months ago.

ok. thanks

Expert:  Dan replied 8 months ago.

Hello again Dan here,

I am contacting you because the post has not been closed or rated.

This question is coming up on 7 days which means it will time out and close.

You have already paid to get this question answered, but you have not rated.

Let me help some more. Is there anything else I can help you with?

If I did not give you 5 star service, please let me know what I missed.

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