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2004 Nissan Sentra mileage fuel economy

Tiny
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  • MEMBER
  • 2004 NISSAN SENTRA
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 40,997 MILES
2004 Nissan Sentra mileage: 41,000. I just bought a low mileage Nissan Sentra. The fuel economy is terrible, not what I would expect from a V6. It sometimes hesitates to start. It warms up very fast but the interior gets unusually warm as though the catalytic converter is working overtime. The excess heat comes up through the floor. What is the likely cause and solution to this problem?
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Tuesday, November 9th, 2010 AT 5:46 AM

1 Reply

Tiny
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  • MEMBER
  • 4,542 POSTS
Scan computer for fault codes. You will probably find one indicating that your engine is running too rich which causes the catalytic converter to overheat. Check the fuel pressure regulator and check for faulty fuel injectors
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Tuesday, November 9th, 2010 AT 5:47 AM

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