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1995 Nissan Quest Engine hard to start.

Tiny
JMATEEN1
  • MEMBER
  • 1995 NISSAN QUEST
Smells problem
1995 Nissan Quest 6 cyl Front Wheel Drive Automatic

I own a 95 Nissan Quest minvan. It start up when it is cold but after I run it for an hour or os and turn it off I smell gas fumes. I have replaced the MAF sensor, spark plugs.
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Wednesday, July 29th, 2009 AT 4:03 PM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Running too rich

Possible causes include a bad O2 sensor, excessive fuel pressure (bad fuel pressure regulator or plugged return line), leaky fuel injectors, dirty air filter or restricted air inlet, or a defective coolant sensor that prevents the engine management system from going into closed loop mode.
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Thursday, July 30th, 2009 AT 4:55 AM

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