2002 Nissan Sentra

2002 NISSAN SENTRA
89,345 MILES • 4 CYL • 2WD • AUTOMATIC
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TMACJR
  • MEMBER
  • 1 POST
The car will not idle proper and will not take off proper. It almost stell. also the service engine light come on and off. A code of po172 was read.
Jul 9, 2008 at 9:45 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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KHLOW2008
  • CAR REPAIR CONTRIBUTOR
  • 41,814 POSTS
Hi tmacjr,

The code shows a rich fuel supply so it could be

1. Injectors.
2. Air flow sensor.
3. Throttle position sensor.
4. Fuel regulator.
5, Faulty O2 sensor.
Jul 12, 2008 at 3:47 PM
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