Engine power reduced 6.2 cheyenne

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04-03-2018, 05:14 AM

#11

madmann26

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Quote:

Originally Posted by TXsilverado

so If worse comes to worse, I can install a cable throttle body, and get a new gas peddle and make only one change in the tune?

I would listen to 1Fast...

I just know the option is there.

I tried running a van OS on my FF PCM and I bricked it.

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04-03-2018, 07:12 AM

#12

darkirish63

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Quote:

Originally Posted by TXsilverado

so If worse comes to worse, I can install a cable throttle body, and get a new gas peddle and make only one change in the tune?

Are you using a 90mm TB and Xlink?

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04-03-2018, 02:26 PM

#13

TXsilverado

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whatever came on a 2004 Tahoe.

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04-03-2018, 03:04 PM

#14

darkirish63

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Quote:

Originally Posted by TXsilverado

whatever came on a 2004 Tahoe.

Check all your grounds as stated and check the wires in the TB connection up to 6" from the connector. Particularly the brown and yellow wires; they have a tendency to fail. Even if the wire looks good, you'll have to do a "tug" test to see if there is any stretch in the wire. If it feels spongy, time to get a new plug and and splice it in.

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