Question about 2000 Nissan Xterra

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My nissan serena will not go lower than 1200 rpm on idle any ideasno nissan dealers close to me if there was they would charge the earth

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My nissan serena will not go to change auto gear system. who can solve it please help me to solve the problame.
Thank your verymuch.
Saman.

Posted on Jun 15, 2009

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6ya6ya
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Posted on Jan 02, 2017

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frcs68
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SOURCE: nissan serena does not start

most likeliy is the ignation module located at the side of the distributor.
chekc the spark from the high voltage plug first, if no spark then you need to replace the IM.




if this answer is helpful, please rate the answer

thank you

Posted on Oct 16, 2008

  • 183 Answers

SOURCE: 2002 nissan altima p0507 idle problem

How many miles?Check for intake leaks and also check your pcv system...

Posted on Sep 19, 2008

  • 55 Answers

SOURCE: where does the coolant go in my nissan serena.

The container you are talking about is called the overflow reservoir and yes, that is where you add the coolant. Make sure that your car has been off for a couple hours and is nice and cool before you try to add any, when it's hot it can build pressure and spray coolant or steam out when you unscrew the cap.

Posted on Dec 30, 2008

  • 1 Answer

SOURCE: differance between nissan largo and nissan serena engine

The Engines aren't the same for these two cars.

NISSAN SERENA RUNS EITHER: THE "SR" FAMILY ENGINE or THE "QR" FAMILY ENGINE. Find out which is yours.

NISSAN LARGO RUNS THE "KA" FAMILY ENGINE. IT IS THE SAME ENGINE FOUND INSIDE THE FAMOUS '240SX', I HOPE THIS HELPS YOU.

Posted on Mar 31, 2009

ilbdarned5
  • 19 Answers

SOURCE: how to repair nissan serena 2002 model qr20 engine

Things to check
Plugs;
Remove the spark plugs and read them, they should all have a dry tip and be clean from any carbon, oil or fuel.
Usually if burning fuel properly they will have a brown or whitish looking tint from burned carbon.

If any of the plugs look wet or black or dirty looking different from the others the problem is with that cylinder, change all the plugs and see if that helps, the next lease expensive thing is replacing the plug wires.If your fouling plugs ask your parts store for 1 number hotter plug ( heat range)

Plug Wires;
Open the hood at night with the engine running and see if you find any blue looking arcing around or in the wires, if so replace the wires.

Fuel Injectors
If all above looks good your fuel injectors might be dirty or one might not be working. You could try an injector cleaner mixed in with your gas

A rough idle comes from one or more cylinders not firing as hard as the others or not at all, there are so many causes for this so you have to troubleshoot with the lease expensive fix first.

Another thing is water in the gas, you can pour plain ole rubbing alcohol in your gas tank if you suspect water in your gas. alcohol mixes with the water and makes it burn instead of mis firing.

Valves
One more thing that can cause rough idle is your valves, this requires a compression check on each cylinder. If one cylinder has less compression than the rest remove the compression tester and squirt some engine oil in the cylinder then re test, if the compression increases it is bad rings or a bad cylinder bore, if not it is a valve problem.

Oil seals around the piston increasing the compression temporarily while testing but makes no difference in testing if the valves are leaking.

Good Luck,... troubleshooting and patience, or a good mechanic is the solution if you are working with neither

Posted on Mar 01, 2010

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