2004 Chevy Tahoe engine barely running

2004 CHEVROLET TAHOE
58,000 MILES • V8 • 4WD • AUTOMATIC
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AANDM4
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My tahoe will barely start and when it does it says the engine is running on half power. What does this mean?
Nov 3, 2008 at 5:09 PM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.
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DENNYP
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Does it say it is in reduced power mode?
Nov 3, 2008 at 9:08 PM
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AANDM4
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YES! It says engine running at reduced power.
Nov 3, 2008 at 10:20 PM
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DENNYP
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Have it scanned for trouble codes and post the codes for me. You will probably find a code for the TAC module.
Nov 3, 2008 at 10:23 PM
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AANDM4
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How much should this cost to have it scanned? Is adding injector fluid to the engine a good thing?
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Nov 3, 2008 at 10:43 PM
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DENNYP
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Autozone will scan it for free, but they might not be able to read some codes. You could also purchase a scan tool from our tool store. Click on the link below to visit the store.
Nov 4, 2008 at 1:02 PM