GAS IT BOGS DOWN AND ONCE IN A WHILE

  • Tiny
  • DBLEWUSHIE
  • 2002 Nissan Sentra
  • 155,000 miles

2002 nissan sentra xe 1.8L automatic

THE CAR HAS THE FOLLOWING SYMPTOMS, IDLES UP AND DOWN IN PARK AND NEUTRAL FROM ABOUT 1525-1825 RPM

IDLES HIGH MOST OF THE TIME USUALLY IN PARK AND NEUTRAL IT IDLES STABLE AT AROOUND 1500 RPM

NO POWER. I FLOOR IT AND IT TAKES LIKE 5 SECONDS FOR IT TO PICK UP

SOMETIMES WHEN I PRESS THE GAS IT BOGS DOWN AND ONCE IN A WHILE STALLS BUT USUALLY THE RPM SHOOT UP

THESE ARE THE SYMPTOMS I'VE NOTICED. IT JUST STARTED HAPPENING

THE THROTTLE POSITION SENSOR AND AIR CONTROL VALVE WERE CHANGED WITH A NEW ONES. BUT THE PROBLEM HAS NOT BEEN SOLVED. A COMPLETE NEW THROTTLE VALVE UNIT WAS INSTALLED BUT THE PROBLEM PERSISTED.
PLEASE CAN YOU BE HELP AS TO DIAGNOSING THE PROBLEM.


please help. Thanks

Tuesday, July 3rd, 2012 AT 8:38 AM

1 Answer

  • Tiny
  • KHLow2008
  • Expert
  • 41,976 posts

Is the MIL indicating and have you scanned for trouble codes?

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Tuesday, July 3rd, 2012 AT 1:04 PM

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