1998 Honda CRV Engine Code 170 & 171

Tiny
CHEESEHEAD
  • MEMBER
  • 1998 HONDA CRV
  • 4 CYL
  • AWD
  • AUTOMATIC
  • 158,000 MILES
The engine light came on my car. We scanned the car and codes 170 and 171 came up. Can you tell me what these codes mean? . And what is my next step for a vehicle with almost 160K miles.

Thanks!
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Tuesday, May 4th, 2010 AT 2:30 PM

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Tiny
2CEXPT
  • MEMBER
P0170 is fuel trim Bank 1 and P0171 is system too lean Bank 1

Lean fuel condition could be caused by one of the following below:

1. Vacuum leaks
2. EGR and PCV valve.
3. Low fuel pressure.
4. Dirty fuel injectors.
5. Mass Air Flow Sensor.
6. Oxygen sensor
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Tuesday, May 4th, 2010 AT 4:18 PM

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