2011 Tahoe squeaking

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Rocket Man

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Good time to get with Black Bear Performance for a tune which will not only get you more power but better shifting. I use their Autocal so they can email me tunes and make changes to it as I change things. You can find a used Autocal if you keep your eyes out, and the tune is around $300 with lifetime re-tunes. Before you buy a used Autocal, check with Black Bear to make sure it’s compatible. There have other options too.
 
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Rummel6

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So I’d like to just put back stock but seems like it costs more any delet kit requires I have it tuned there is no where around me to have it tuned
 

91RS

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Just wait until you price those AFM lifters and the delete kit becomes real cheap.
 

Rocket Man

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He’ll yeah that’s a pretty good deal considering it comes with the Diablosport.
 
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Rummel6

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View attachment 242858
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3B47BFFD-F269-475A-89EC-B7CC744CDA35.jpeg
 
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Rummel6

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New problem getting check engine light saying misfire on cylinder 7 but we have verified it’s sparking and the ohm check out on the injector any ideas
 

OR VietVet

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Sparking but what does the plug look like. Color of spark? Blue=good, orange=bad. Check for vacuum leaks near that cylinder.
 

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