Question about 1999 Nissan Quest

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1999 Nissan Quest

My Nissan Quest runs rough after warming up and loses power

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  • Anonymous Dec 20, 2008

    Same problem; runs better with MAF sensor unplugged, but same prob after replacing with new one. Runs fine when cold and when going down the road-just won't low idle. Any ideas?

  • Anonymous Apr 04, 2009

    Same problem but I had the Mass air flow sensor replaced it ran better for a while but problem came back, but worse. The check engine light is on as well.

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  • Nissan Master
  • 4,369 Answers

You need to clean the mass air flow sensor wires. They get a coating of varnish on them and that leans out the fuel mixture. It is on the air cleaner tube and has 2 screws holding it in. remove the MAF sensor and clean it with carburator and a toothbrush vey gently. the 2 wires are gentle. no hard scrubbing. Reassemble. Engine will atke a few minutes to learn newly cleaned MAF. good luck.

Posted on Jan 10, 2009

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Have 1999 nissan qust runs fine when started but if you drive very far. it starts chugging and running rough. doesnt seem to get hot. but doesnt run well at all.


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http://www.nissan-techinfo.com/refgh0v/og/quest/1999-nissan-quest.pdf

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