Potential Buyer of 2012 GT/CS with engine ticking - Ford Mustang Forum
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post #1 of 5 (permalink) Old 09-26-2017 Thread Starter
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Potential Buyer of 2012 GT/CS with engine ticking

Hi Guys,

New member here. I have been talking to a guy with a 2012 Mustang GT/CS with 75k miles. Has HIDs, Glass roof, 6 speed, and is in pretty good shape. He noted that recently the car started making a ticking noise when the car is in higher RPMs (1800-3500 ish) and does not tick at idle. I have googled this issue and most/all threads I found appear to be when the cars were newer so I don't think those issues would relate.

He brought it to a buddy of his and he ran a compression test which turned out that there is lower compression in cylinder 7 (dont know the exact numbers). Could this be a sticky lifter, broken piston ring or maybe a valve trane issue? Any other ideas?

I can get it for around 12k ish which got me wondering if it is worth it to take the risk. Worst case scenario, how much would you expect me to have to pay to get it fixed (I know its hard to say).

Thanks

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post #2 of 5 (permalink) Old 09-26-2017
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Sorry I cant help with the ticking issue, just wanted to say that price sounds too good to be true. Accidents, salvage title?


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post #3 of 5 (permalink) Old 09-26-2017
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There are a few threads on here about the ticking, I don't know the story so don't want to try to summarize, try some searches and you should have some good reading.

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post #4 of 5 (permalink) Old 09-27-2017
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Quote:
Originally Posted by dereknel015 View Post
Hi Guys,

New member here. I have been talking to a guy with a 2012 Mustang GT/CS with 75k miles. Has HIDs, Glass roof, 6 speed, and is in pretty good shape. He noted that recently the car started making a ticking noise when the car is in higher RPMs (1800-3500 ish) and does not tick at idle. I have googled this issue and most/all threads I found appear to be when the cars were newer so I don't think those issues would relate.

He brought it to a buddy of his and he ran a compression test which turned out that there is lower compression in cylinder 7 (dont know the exact numbers). Could this be a sticky lifter, broken piston ring or maybe a valve trane issue? Any other ideas?

I can get it for around 12k ish which got me wondering if it is worth it to take the risk. Worst case scenario, how much would you expect me to have to pay to get it fixed (I know its hard to say).

Thanks
Hereís the thing. Engines make all kinds of noises and are described as ticking or knocking generically. You canít really diagnose such problems over the Internet using text based communications and be effective for the most part.

Take the car to a reputable shop and pay for a proper diagnosis.

Compression variance isnít a good sign, you didnít mention how much difference. Minor differences are considered normal but honestly, if itís a significant difference, I would investigate this further before purchasing.
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post #5 of 5 (permalink) Old 09-27-2017
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Originally Posted by fourdegrees11 View Post
Sorry I cant help with the ticking issue, just wanted to say that price sounds too good to be true. Accidents, salvage title?
Quote:
Originally Posted by crjackson2134 View Post
Hereís the thing. Engines make all kinds of noises and are described as ticking or knocking generically. You canít really diagnose such problems over the Internet using text based communications and be effective for the most part.

Take the car to a reputable shop and pay for a proper diagnosis.

Compression variance isnít a good sign, you didnít mention how much difference. Minor differences are considered normal but honestly, if itís a significant difference, I would investigate this further before purchasing.
Both of these are very valid points and you should really consider them deeply.

I think I would pass personally.

Do post the compression info as that will really help...

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