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2004 Chevy Tahoe engine barely running

Tiny
AANDM4
  • MEMBER
  • 2004 CHEVROLET TAHOE
  • V8
  • 4WD
  • AUTOMATIC
  • 58,000 MILES
My tahoe will barely start and when it does it says the engine is running on half power. What does this mean?
Monday, November 3rd, 2008 AT 5:09 PM

5 Replies

Tiny
DENNYP
  • MECHANIC
  • 1,823 POSTS
Does it say it is in reduced power mode?
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Monday, November 3rd, 2008 AT 9:08 PM
Tiny
AANDM4
  • MEMBER
  • 3 POSTS
YES! It says engine running at reduced power.
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Monday, November 3rd, 2008 AT 10:20 PM
Tiny
DENNYP
  • MECHANIC
  • 1,823 POSTS
Have it scanned for trouble codes and post the codes for me. You will probably find a code for the TAC module.
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Monday, November 3rd, 2008 AT 10:23 PM
Tiny
AANDM4
  • MEMBER
  • 3 POSTS
How much should this cost to have it scanned? Is adding injector fluid to the engine a good thing?
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Monday, November 3rd, 2008 AT 10:43 PM
Tiny
DENNYP
  • MECHANIC
  • 1,823 POSTS
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.
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Tuesday, November 4th, 2008 AT 1:02 PM

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