Question about Nissan Altima

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2001 Nissan Altima idling high in parking or neutral

Hi, I have a Nissan Altima GXE 2001 automatic with 100,000 miles, its idle keeps going high when in Parking or in Neutral gears, otherwise it's just ok. Gas smell is also present outside the car after some driving. The shifting to 4th gear is also noticeable. Gives very low gas mileage in city (15mpg), although highway miles are fine (29mpg). Is this problem related to transmission, throttle, gasket leakage, or something else. It's spark plugs, engine gasket, and transmission fluid were recently changed around a month ago. Thanks

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  • 23 Answers

I have the same problem with my harrier 3000cc car. We have changed the idling sensor, airflow sensor. air filter, we have had the throttle checked, spark plugs, wiring and nothing works. The smell you are getting could be from your gear box, have it checked out early and if the gear shift is noticeable then you will need a gearbox specialist to open it and change the clutch plates. Good luck.

Posted on Aug 23, 2012

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6ya6ya

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Posted on Jan 02, 2017

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Anonymous

  • 19 Answers

SOURCE: Engine idling high in park. Will not start until

check your IDLER

Posted on Jul 11, 2009

Anonymous

  • 65 Answers

SOURCE: Intermittent Rough Idle in gear at stop

well it didn't hurt anything to put the new fluids in. Always good to keep up on those some of the time forgotten routine maintenance. The erratic idle could be caused by a number of things. A leaking intake manifold gasket is one but usually is a steady higher racing idle. Could be clogged injector/s, not sure if you have a throttle body which would house a single injector or a fuel rail which would house 4, one by each cylinder. The other possibilities are any of the sensors that feed the information needed to the brain/on board computer to control the air and fuel to the engine under all conditions for optimal performance, and the emission control system.
Trouble shooting comes with several options. Fortunately most vehicles since the start of the electronic fuel injection systems, that would be everything since the end of the carburetor, comes with some description of an on board diagnostic system for trouble shooting the sensors and such.You can purchase a diagnostic tool, and you will need to purchase a Haynes or Chiltons Manual for your year make and model which will tell you what all of the different codes mean. You can find these at any of the auto part chains such as Auto Zone, Discount Auto Parts, Pep Boys etc. Most of these stores will test your on board diagnostics with their tool free of charge. The Manual never hurts to have in your possession as it covers mostly everything from A to Z for mechanical and electrical repair and troubleshooting. Some vehicles have a way of giving you error msg's by a series of turning the ignition key on and off a certain number of times, and giving a code by a series of an in dash light blinking and pausing, this would also be covered in the manual for your make and model.
Hope this helps,
Matt

Posted on Nov 25, 2008

Anonymous

  • 1 Answer

SOURCE: 2003 Nissan Altima 2.5S, Check Engine Light Problem.

My service engine soon light came on saturday on my 2003 nissan altima 2.5s, took it to the dealer and he stated I need a Catalytic Converter for the light to go off. Last yr Jan I had the same thing happen and there was a recall on the ECM they reset it for free. Any suggestions? I am so tired of getting ripped off being a single woman. The repair price they gave me was $940, my mechanic says he can repair w/new converter total charge of $300

Posted on Mar 17, 2009

Anonymous

  • 583 Answers

SOURCE: Rough low idle in gear when stopped at a light.

probable vacuum leak query brake booster

Posted on Jul 26, 2009

NOT ME

  • 2841 Answers

SOURCE: 92 Accord Automatic shifting

Has anyone change the transmission fluid and used anything other than Honda ATF-Z1. If so, have the fluid/filter changed in this car and use only Honda Fluid. This is the only fluid that you can use in a Honda. Even if you have used the correct fluid an fluid/filter change may help. If that is not the case then I suggest you seek out a trusted professional.

Posted on Aug 08, 2009

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1 Answer

I need to add automatic transmission fluid to my 2001 nissan altima gxe. But so far I could not locate the reservoir. Some one please help. Thanks


No reservoir,it goes in where the dip stick is,remove and put a funnel in hole and add,always check when engine is running and in park.

Feb 03, 2014 | 2001 Nissan Altima

2 Answers

I have a 2009 Nissan Altima. It just started to idle very rough when it's in drive-at low rpm, like when stopped in traffic or at a light. It does not do it when it's in Park, Neutral or Rever


might be the CAM & CRANK SENSORS ! HAVE YOU CHANGED YOU AIR & FUEL FILTERS LATELY ? DO SO IF YOU HAVEN'T. DID YOUR SERVICE ENGINE SOON LIGHT COME ON ? IF SO, GO TO AN AUTOPARTS STORE, HAVE THEM PULL OUT ANY TROUBLE CODES,FROM ECM, IF IT SAYS CAM SENSOR, REPLACE THE CRANK SENSOR AT SAME TIME ! ALSO, THE OXYGEN SENSOR PLAYS AN IMPORTANT ROLE, YOU MIGHT REPLACE IT ASWELL . ALWAYS KEEP FILTERS NEW, OIL CHANGED EVERY 3000 MILES.

Mar 26, 2013 | 2009 Nissan Altima

1 Answer

2002 Nissan Altima 2.5S high idle in park and neutral, press on gas-it goes down then backup. What should I do? Car has127k miles.


No idea to be honest without a good look myself and my trusty automotive meter but i would suggest that a possible cause could be the stepper motor ?? might need the valve part cleaned but if your unsure what to do then ask a local mechanic whos recomended by a friend or relative

Nov 09, 2011 | 2000 Nissan Altima

1 Answer

I have a 1994 nissan altima gxe, the car runs fine but when the temperature gets normal it kills? what could that be?


DO THE FOLLOWING TO CLEAN THE AUTOMATIC IDLE SPPED CONTROL VALVE AND THROTTLE PLATE.

I want you to get a can of intake cleaner (ABOUT $5.00) from any local auto parts store like NAPA or Carquest, do not use carburetor spray, intake cleaner only or u will damage the Teflon coating inside the throttle valve and air bypass valve, it is made by a company called CRC, remove the air intake hose to the engine, hold the idle high so the engine won't stall, then spray the can of cleaner into the intake while keeping the engine running, use at least 1/2 the can, shut down the engine and disconnect the battery for 5 minutes, then restart and complete a number of mixed driving cycles, town, freeway, stop and go etc., after a few days the problem will go away as the system will relearn to the clean intake.

Mar 19, 2010 | 1994 Nissan Altima

1 Answer

High Idle


I have a 2001 Nissan Altima and mine did the same thing. We replaced the intake gasket. It costs around $5.50, but it requires several different kinds of tools. We spent over $100 in special sockets, etc. But once you replace that gasket, it will idle better.

May 11, 2009 | 2002 Nissan Altima

1 Answer

Heater bows cold when idling


Hya!
You need to bleed the cooling system.
To do this park on level ground, when cold remove coolant filler cap, start engine and leave to idle.
Have plenty of warm/hot water available, when engine reaches operating temp it may appear to boil over so keep away from coolant filler, top up with warm/hot water and wait as it may bubble over a few times before settling.
Replace cap and hopefully back to normal, Remember your Anti Freeze?
Good luck,
Paul 'W'
Oner~EDson(:0) {#><U.K.

Jan 16, 2009 | 1995 Nissan Altima

1 Answer

Idle Speed opn 2003 nissan Altima


my 2001 did the same thing and it turned out to be a bad head gassket

Dec 22, 2008 | 2003 Nissan Altima

1 Answer

Transmission Fluid level Nissan altima 1998, automatic


Hi

The thing is that the car suppose to be idling and at "Normal operational temperature" with the engine idle and parked on an level ground.

Then check the level ...

Matthias

Dec 09, 2008 | 1998 Nissan Altima

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