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2003 Chevy Tahoe Diagnostic Code

Tiny
2VHXTKBOLLINGER
  • MEMBER
  • 2003 CHEVROLET TAHOE
  • V8
  • 4WD
  • AUTOMATIC
  • 63,513 MILES
Engine Light on and flashing. It is not the Gas cap.

Has a noticable miss, a few occassions has died while in park.

Receiving a P0174 Code, System to lean on bank 1 & 2

Getting several conflicting what to fix on this problem.

What is your oppinion?

Thanks
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Wednesday, January 2nd, 2008 AT 11:53 AM

1 Reply

Tiny
2CARPRO JACK
  • MECHANIC
  • 11,533 POSTS
Lean both banks? Either a vacuum leak in the air intake or it needs a Mass Airflow Sensor. Any vacuum leak would have to be in a common area to both sides of the engine.
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Wednesday, January 2nd, 2008 AT 5:42 PM

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