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Revs jump between 1rpm and 2 rpm on 1999 nissan wingroad, what could this be?

Posted by Anonymous on

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6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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Benimur
  • 6966 Answers

SOURCE: 1999 daewoo nubira (RPM)

Hi,

Based on your description, could be anything:

  • throttle control (including A/C compensator);
  • auto choke;
  • engine management;
  • auto cruise (if your model has one)
A couple of clarifying questions:
  1. What is your standard set idling RPM, 1000? with or without A/C?
  2. Automatic or conventional/manual trnasmission?
  3. When was the last major tune-up? What parts were replaced?
  4. Does it sound like misfiring also?
  5. Any other indicators, hard starting, long warmup, stalling, excessive gas consumption, smarting to the eyes exhaust fumes?
  6. Does your battery light lits up?
Hope this be of initial help/idea. Pls post back how things turned up or should you need additional information.

Good luck and kind regards.

Thank you for using FixYa.

Posted on Jul 27, 2008

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  • 1129 Answers

SOURCE: engine will not rev above 3000 rpm

Inadequate fuel pressure, change the fuel filter first, make sure the car sits for at least two hours before replacing the fuel filter because these fuel lines are under high pressure during the time of operation. The pressure usually decreases over time in the lines but wear safety glasses just the same, I would recomend depressurizing the fuel system first, buy a Haynes repair manual for detailed procedure to be safe. If problem persists go to Auto Zone and ask them to check for trouble codes these codes if present may instuct you in detail to replace the MAF sensor or give you a code that must be looked up to find the problem.

Posted on Jul 22, 2009

  • 832 Answers

SOURCE: Rapidly fluctuating tachometer. Nissan Wingroad 1999.

You must be right, the sensor connection could have been moved. Have the mechanic do the checking.

Posted on Oct 02, 2009

duane_wong
  • 6826 Answers

SOURCE: i have a nissan wingroad and theres always soot in

soot is normal to be seen in the rear exhaust outlet, as long as it's black soot. If the engine doesn't burn oil excessively, then this is nothing to be worried about.

Posted on Nov 05, 2010

  • 14036 Answers

SOURCE: 1996 nissan navara diesel

IF ENGINE SMOKING WHITE INCORRECT INJECTION TIMING TIMING RETARDED FUEL FULL OF AIR BUBBLES. IF YOU SEE BLACK SMOKE TIMING IS ADVANCED. IF YOU SEE LOT OF HEAVY BLUE SMOKE LOW COMPRESSION ENGINE BURNING OIL.

Posted on Jul 26, 2011

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