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After about an hour searching thru the service manual I finally found this on page 14-24 of the red manual (same page for blue manual).

 

If the problem is repaired or ceases to exist, the SMEC cancels the Fault Code after 50 to 100 ignition key on/off cycles.

 

I wanted to make this its own thread as it applies to multiple cases.

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If you want to clear the code, you can do so by disconnecting the battery for a short time.  The codes will usually clear in a few minutes but it may take as much as 10 minutes without battery power.

If you check the codes again after disconnecting the battery, you'll see a code 11, 12 and 55.  Codes 11 will be removed the next time the engine starts, and code 12 (“battery disconnected”) after about 15 starts.

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Thanx guys, needed to know those tid bits of info. I have come to the conclusion that the cause of my fault code... Is... Wait for it... something electrical or vacuum is expanding in the heat. As I mentioned when ambient temperature is above 85ish check engine light comes on pretty much all day. Where as when temp is lower, like today, no light. Also if I let the engine idle for more than a couple of minutes the light eliminates as well. Now I just have to figure out the culprit. Thanx again for the effort you guys put in to assisting me! Very much appreciated!!!

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That sounds like EVAP to me...it's the system that recycles the evaporative emissions from the gas tank into the intake to burn them so as to help keep pollution down. I could be completely off base, but given the circumstances it happens in, *I* would check there. I have watched boats blow gas out of the vent after sitting in the sun, so...

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On 8/8/2020 at 8:35 AM, Hemi Dude said:

He is already aware of the ‘tune’, if you would have read the messages above.

 

"tune"? I was referring to the post from  Plumbinguy  not the OP. He did not mention any code #'s...

Quote

Thanx guys, needed to know those tid bits of info. I have come to the conclusion that the cause of my fault code... Is... Wait for it... something electrical or vacuum is expanding in the heat. As I mentioned when ambient temperature is above 85ish check engine light comes on pretty much all day. Where as when temp is lower, like today, no light. Also if I let the engine idle for more than a couple of minutes the light eliminates as well. Now I just have to figure out the culprit. Thanx again for the effort you guys put in to assisting me! Very much appreciated!!!

 

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