Runs rough with heater or A/C

Tiny
KARA2004
  • 2004 NISSAN SENTRA
  • 110,000 MILES

Car runs very rough when heater, a/c or even rear window defrost is on

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Sunday, August 21st, 2011 AT 4:19 AM

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Tiny
KHLOW2008
  • EXPERT
  • 41,976 POSTS

If the idling speed has dropped, check the throttle body and idle control system. Cleaning them should help.

Check the alternator charging as well.

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Sunday, August 21st, 2011 AT 6:03 AM

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