p0121 code with an SD tune?

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May 9, 2009 | 10:33 PM

speedaddict

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p0121 code with an SD tune?

Getting this code on my 01 silverado 5.3.... mods are in the sig. Any ideas?

May 9, 2009 | 10:41 PM

mcfarlnd

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From: DFW

is it acting funny??? anymore info on symptoms or is it just the code? what do you want to know?

May 9, 2009 | 10:48 PM

viciousknid

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Is your TPS sensor clean and getting a good connection?

May 9, 2009 | 11:06 PM

speedaddict

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its running fine, no issues at all except for the light. I was wondering if this is in the tune or should I replace the tps?

May 9, 2009 | 11:23 PM

mcfarlnd

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From: DFW

did the light show up directly after a re-tune? sd shouldnt cause a tps code.

May 9, 2009 | 11:29 PM

speedaddict

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no, its been tuned for awhile now...check engine light came on yesterday with that code.

May 9, 2009 | 11:57 PM

mcfarlnd

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From: DFW

i would check the wires for breaks and the connectors for continuity. clean it up then clear the code to see if it comes back. how old is the sensor? do you have logging software?

p0121 code with an SD tune?

p0121 code with an SD tune?

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