My check engine light on so I scanned it

Tiny
ANONYMOUS
  • MEMBER
  • 2001 CHEVROLET MONTE CARLO
  • 200,000 MILES
My check engine light on so I scanned it. Code p0171 Bank 1 system too lean what does that mean
Thursday, January 10th, 2013 AT 5:38 AM

1 Reply

Tiny
SATURNTECH9
  • EXPERT
Most likely a vacuum leak I would check for a vacuum leak first.
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Thursday, January 10th, 2013 AT 5:50 AM

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