P0016 code on fsbo car

H

Hal9000

Greenie N00B Member
Hi all, after searching for a bit, I found two ms6's locally this week and hope to look at both this weekend. One reportedly has a P0016 cam sensor code after a recent professional engine rebuild, but runs normally. It's a stock car.

I'd like to know what the common causes ot this code are and what I should look at as a buyer to evaluate the engine for potential issues?

The other has been slightly warmed over and has a custom tune and a couple of bolt ons. What should I look for to be sure the engine hasn't been hurt by overzealous tuning?

Thanks
 
Have you looked for threads going over the p0016 code? because We have a few...
https://www.google.com/search?q=p0016+site:mazdaspeeds.org&oq=p0016+site:mazdaspeeds.org&aqs=chrome..69i57.16662j0j4&client=ms-android-telus-ca-revc&sourceid=chrome-mobile&ie=UTF-8

We also have a thread specially for what to look for when buying a used speed

https://mazdaspeeds.org/index.php?threads/what-to-look-for-when-buying-a-used-mazdaspeed.10009/

I'd also ask who the tuner was, if it's dramatune walk away, hope this helps answer some of your questions

Edit: in this case I'd also 100% want a compression test perhaps even a leak down test depending on how it runs and what the compression test reveals
 
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Thanks for the response. I did a quick search but wasn't finding anything too specific (what I get for end of the day research on my phone).

I have a compression tester. What s typical for a good running engine?
 
This is all from my phone....

https://www.google.com/search?q=compression+site:mazdaspeeds.org&oq=compression+site:mazdaspeeds.org&aqs=chrome..69i57.16038j1j4&client=ms-android-telus-ca-revc&sourceid=chrome-mobile&ie=UTF-8#ip=1

This will bring up a few threads where many people have given specs...look at search terms to narrow into a forum search ;)

as per the shop manual; Compression
Standard: 1,280 kPa {13.05 kgf/cm2, 185.6
psi} [250 rpm]
Minimum: 896 kPa {9.14 kgf/cm2, 130 psi}
[250 rpm]
Maximum difference between cylinders:
196.1 kPa {2.000 kgf/cm2, 28.44 psi}
 
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