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Check engine light?

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Old Dec 10, 2005 | 07:43 PM
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TESTOSTERONE C6-R's Avatar
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Default Check engine light? I Got Code, Updated.

For the first time today. Wondering if is a oxygen sensor or other? How do I check? Any performance concerns?
Any info will be greatly appreciated.

I know for sure that it cannot be the catalitics since they were replaced 2 months ago under warranty...

Last edited by TESTOSTERONE C6-R; Dec 11, 2005 at 10:30 AM.
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Old Dec 10, 2005 | 08:16 PM
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Hold Options, press fuel 4 times. This will get you into OBD. Post codes you find and I will tell you what they are.
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Old Dec 11, 2005 | 10:26 AM
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Thanks! Now after going through a lot of codes at the end came out
10 PCM 1 Codes.
So what do I have to get concern or replace?

Last edited by TESTOSTERONE C6-R; Dec 11, 2005 at 10:28 AM.
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Old Dec 11, 2005 | 11:05 AM
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when you get to that... you shuffle through the codes with the top 4 buttons...

you have 1 code in the pcm (powertrain)... youll see what to do when you shuffle through em with the top 4 buttons.
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Old Dec 11, 2005 | 11:51 AM
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I hope this what is reading.
10 PCM P1416 H C
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Old Dec 11, 2005 | 02:40 PM
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Originally Posted by TESTOSTERONE C5-R
I hope this what is reading.
10 PCM P1416 H C
Look at this THREAD

You have an AIR system fault and the PCM is not seeing the check valve for the right bank of cylinders open, more than likely it's corroded and not allowing fresh air to get thru.
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Old Dec 11, 2005 | 11:26 PM
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Are longtube headers on this car ?

Originally Posted by TESTOSTERONE C5-R
For the first time today. Wondering if is a oxygen sensor or other? How do I check? Any performance concerns?
Any info will be greatly appreciated.

I know for sure that it cannot be the catalitics since they were replaced 2 months ago under warranty...
Reply
Old Dec 11, 2005 | 11:57 PM
  #8  
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Originally Posted by FFR-Z06
Look at this THREAD

You have an AIR system fault and the PCM is not seeing the check valve for the right bank of cylinders open, more than likely it's corroded and not allowing fresh air to get thru.
UPDATE! The check engine light turn off while driving all day today!!! By it self!
what should I do now...replace the check valve anyway? the one in the driver side, right?!or should I wait if it pops up again.

Wanted to add I do have SHORT Headers not long headers.
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Old Dec 12, 2005 | 12:52 AM
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You are definitely coding for the faulty behind the manifold check air valve. The link provided up above displays the actual part (under $30 at your local dealership), as well as, the occluded, valve port (due to moisture that notoriously collects, rusts, and, ultimately clogs the valve). In fact, I responded to this issue back in July 20, 2005:

http://www.forums.corvetteforum.com/...416&forum_id=1

In brief, the more difficult to reach check air valve (coding for the 1416 trouble code) can be accessed by simply unbolting the clamp that supports the in-line check air valve tubing to the manifold, along with a little tugging and pulling. Good luck to you.

Last edited by edensknight; Dec 12, 2005 at 12:55 AM.
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