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SES :Light With TTS headers????

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Old Nov 20, 2001 | 08:20 AM
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Default SES :Light With TTS headers????

My friend recently installed TTS LTs and his SES light came on. He did not need 02 simms cause the headers were made for his year. We reset the PCM and it still came on. Anyone know why? He has 02 extenders, can this be the problem?
Its a 2001 WS6

[ November 20, 2001: Message edited by: 1 SiC LS1 ]</p>
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Old Nov 20, 2001 | 09:42 AM
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Default Re: SES :Light With TTS headers????

Did you put cats on?
Do you know what the code is?
Have you reset the computer and seen if it comes back?
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Old Nov 20, 2001 | 10:49 AM
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Default Re: SES :Light With TTS headers????

Hes had the cats removed but he has the o2 simms on. We reset the computer and it came back on.
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Old Nov 20, 2001 | 10:53 AM
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Default Re: SES :Light With TTS headers????

If it is an O2 code, the O2 sensors may not be getting hot enough fast enough.

If it is something else, check the A.I.R. tubes (on front of headers) and make sure the little gasket is sealing.
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Old Nov 20, 2001 | 11:04 AM
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Default Re: SES :Light With TTS headers????

Make sure the O2's & extenders are plugged in properly. That seems to be the most common reason the SES comes on after a header install.
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Old Nov 20, 2001 | 06:46 PM
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Default Re: SES :Light With TTS headers????

Perhaps the coolant temp sensor? Front of the drivers side head, directly above the header flange...

[ November 20, 2001: Message edited by: TAMUz06 ]</p>
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Old Nov 21, 2001 | 12:31 AM
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Default Re: SES :Light With TTS headers????

I'll check the air tubes and connectors again. Thanks
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Old Nov 21, 2001 | 10:52 PM
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Default Re: SES :Light With TTS headers????

If you mishandled the O2 sensors that will throw a code too. They are very delicate.
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Old Nov 22, 2001 | 08:03 AM
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Default Re: SES :Light With TTS headers????

Make sure none of the wiring harness on the passenger side fenderwell is touching or too close to the header pipes. Make sure no wires are contacting the headers anywhere. This will cause SES lights and ruined wires(naturally).
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