Question about 2002 Nissan Altima

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I have a 02 altima hard to start when engines cold then when it gets warmed up its hard to keep running at low rpms pulling in and out of parking spaces is a nightmare the engines not missing and runs great on highway and interstate i had it checked and its not showing any codes

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  • Donnie Braden
    Donnie Braden May 14, 2014

    the altenaters new its not a vacume leak no fuel smell or anything but about the time this happened i had just run some lucas fuel injecter cleane im hopeing its not fuel injecters or throttle body im a chevy and old school mopar i dont know anything about these newer imports any ideas about it would be appreciated

  • Randy Brown
    Randy Brown May 15, 2014

    well pull a couple plugs out see if its running rich or lean plugs tell the story and a simple fix would be if there is a leak in the intake hose maybe a crack in it some where

  • Randy Brown
    Randy Brown May 15, 2014

    did you spray any carb cleaner on the fuel injectors

  • Randy Brown
    Randy Brown May 15, 2014

    that could harm the coils on the injectors

  • Donnie Braden
    Donnie Braden May 15, 2014

    no i havent done anything like that if there was a crack or leak in the one of the hoses wouldnt that make a hissing sound

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5 Answers

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You're probably gonna have to see a mechanic because unless you're running codes, on Altimas, it's usually P0720 &/or P1574, there's no sensor to fix the problem. It could be the wrong spart plugs, NGK's are best, could be tranny problem, most likely its a sensor. Sorry couldn't help more but as soon as you get a check engine light go to a auto zone or advance or whereever and ger it coded.

Posted on May 14, 2014

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Need more info how many miles, whens last tune up, do u here anything like maybe hissing sound, do u smell fuel

Posted on May 14, 2014

Testimonial: "its got about 173000 miles on it"

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Could be the gas filter

Posted on May 17, 2014

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Start the car open the hood and check for leaks even a small leak will damage a sensor and your car wont work properly........especially look for sensors that are in the transmission.........

Posted on May 15, 2014

Testimonial: "wouldnt a code show up if its a sensor"

  • Ricardo Giraldo
    Ricardo Giraldo May 15, 2014

    based on experience not necessarily

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  • Nissan Master
  • 987 Answers

Please the check the alternator output and let me know/

Posted on May 14, 2014

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Posted on Jan 02, 2017

AUTODOC01
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SOURCE: Nissan Altima Fluctuates Idle

SOUND LIKE THE ECM IS HUNTING FOR THE IDLE LOOK FOR A VACUME LEAK IN OR AROUND INTAKE MANIFOLD , ITS KINDA TRICKY BUT A CAN OF CARB SPRAY CAREFULLY AROUND YTHE AREA CAN PINPOINT THE LEAK BUT GET A HELPER WITH A FIRE EXT TO HELP JUST IN CASE IF IT DOSNT REV UP WHEN YOU SPRAY THE LEAK AREA THEN YOUV GOT TO GET IT ON A SCANNER TO CHECK IT OUT WE USALLLY CHARGE ,5 HRS TO DO THIS SO ITS NOT REAL EXPENSIVE GOOD LUCK

Posted on Aug 24, 2009

  • 3 Answers

SOURCE: 2003 Nissan Altima heat problems

take to dealership , that also is a recall problem with alot of altimas , they need to flush system and check water valve , got mine fixed working great ever since , never hesitate to ask dealership about recalls , they have to fix for free

Posted on Jan 06, 2009

  • 40 Answers

SOURCE: 2002 Nissan Altima blowing cold air,coolant level

You could possibly have air trapped in the heater core. The easiest way to bleed it out is to jack up the front of the car till the radiator fill cap is higher than the upper heater hose using a funnel that fits snuggly in the filler neck of the radiator, fill till you have about three inches of coolant/antifreeze above the filler neckthen run the car at about 1500rpms until no more bubbles are evident. Also turn the heater onto face on low speed and feel if heat starts comming out.

Posted on Dec 07, 2009

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1 Answer

2000 tundra v6 5-speed cold start truck runs great, park it for 20-30 min it will start fine but after going 1/4 mile it dies, looses power. pull over and it will backfire and sputter until it eventua


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Will not idle when cold


Its cold start issues:----
Go through the list of help links mentioned below:----

Click the link :----

Cold start problem and vehicle shudder around 2500 to 3500 rpms
http://repairhelpcenter.blogspot.com/2012/10/cold-start-problem-and-vehicle-shudder.html
----------
Low idle when cold out side?
http://repairhelpcenter.blogspot.com/2011/12/low-idle-when-cold-out-side.html
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Ford explorer 4.0 will not idle when cold?
http://technoanswers.blogspot.in/2012/02/ford-explorer-40-will-not-idle-when.html
--------
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http://technoanswers.blogspot.com/2012/01/automatic-transmission-shift-lever-hard.html
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Car won't start when cold?
http://schematicsdiagram.blogspot.com/2011/12/car-wont-start-when-cold.html
-----------

It can be issue with IAC( idle air control valve) causing the problem.


There are many other possibilities causing these idle issues. Engine idles rough.

There are few help links with solutions to troubleshoot such idle issues.

I suggest you refer the link below and follow its troubleshooting details:------

Click the link below:-----

Ford Expedition IAC valve replacing

http://technoanswers.blogspot.com/2012/12/ford-expedition-iac-valve-replacing.html

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http://technoanswers.blogspot.com/2012/01/bad-miss-at-idle.html

-----------

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http://schematicsdiagram.blogspot.in/2012/03/stumbling-and-stalling-at-idle-after.html

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1999 Ford F-150 Idles rough and quits when gas pedal is pressed less?

http://technoanswers.blogspot.in/2012/01/1999-ford-f-150-idles-rough-and-quits.html

---------

Engine stumbles coming off idle when warm?

http://repairhelpcenter.blogspot.com/2012/01/engine-stumbles-coming-off-idle-when.html

------------------

Erratic idle on car?

http://schematicsdiagram.blogspot.com/2011/12/erratic-idle-on-car.html

-----------


Cold start problem and vehicle shudder around 2500 to 3500 rpms

http://repairhelpcenter.blogspot.com/2012/10/cold-start-problem-and-vehicle-shudder.html

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Low idle when cold out side?

http://repairhelpcenter.blogspot.com/2011/12/low-idle-when-cold-out-side.html

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http://technoanswers.blogspot.com/2012/10/gmc-sonoma-stalls-and-idles-low.html

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GMC Idle Air Control (IAC) Valve Replacing?

http://schematicsdiagram.blogspot.com/2011/12/gmc-idle-air-control-iac-valve.html

-------------

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http://repairhelpcenter.blogspot.com/2011/10/1996-camry-intermittent-engine-failure.html

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http://repairhelpcenter.blogspot.com/2011/10/engine-quits-at-idle.html

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http://howtobyme.blogspot.com/2011/11/car-overheats-and-air-blows-hot-at-idle.html

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http://repairhelpcenter.blogspot.com/2012/10/high-idle-problem.html

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http://schematicsdiagram.blogspot.com/2012/01/while-stop-engine-idles-like-cylinder.html

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http://technoanswers.blogspot.in/2012/02/idle-flair-is-noticed-on-car-rough-idle.html

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http://technoanswers.blogspot.in/2012/02/high-rpm-in-neutral-inconsistant-high.html

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http://schematicsdiagram.blogspot.in/2012/03/vehicle-stumbling-at-idle-and-shows.html

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http://technoanswers.blogspot.in/2012/03/rough-idlestaling-and-erratic-shifting.html

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While stop engine idles like cylinder missing?

http://schematicsdiagram.blogspot.com/2012/01/while-stop-engine-idles-like-cylinder.html

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These details will help.

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1 Answer

99 contour starts easy idles smooth, cold but dies when you start to pull out runs well when warm


Its cold start issues:----

Go through the list of help links mentioned below:----


Click the link :----


Cold start problem and vehicle shudder around 2500 to 3500 rpms

http://repairhelpcenter.blogspot.com/2012/10/cold-start-problem-and-vehicle-shudder.html

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http://repairhelpcenter.blogspot.com/2011/12/low-idle-when-cold-out-side.html

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http://technoanswers.blogspot.in/2012/02/ford-explorer-40-will-not-idle-when.html

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These will help.

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1 Answer

2006 nissan navara wont start in cold weather


Its cold start issues:----

Go through the list of help links mentioned below:----


Click the link :----


Cold start problem and vehicle shudder around 2500 to 3500 rpms

http://repairhelpcenter.blogspot.com/2012/10/cold-start-problem-and-vehicle-shudder.html

----------

Low idle when cold out side?

http://repairhelpcenter.blogspot.com/2011/12/low-idle-when-cold-out-side.html

--------------

Ford explorer 4.0 will not idle when cold?

http://technoanswers.blogspot.in/2012/02/ford-explorer-40-will-not-idle-when.html

--------

Automatic transmission shift lever hard to move on cold mornings?

http://technoanswers.blogspot.com/2012/01/automatic-transmission-shift-lever-hard.html

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Its cold start issues:----

Go through the list of help links mentioned below:----


Click the link :----


Cold start problem and vehicle shudder around 2500 to 3500 rpms

http://repairhelpcenter.blogspot.com/2012/10/cold-start-problem-and-vehicle-shudder.html

----------

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http://repairhelpcenter.blogspot.com/2011/12/low-idle-when-cold-out-side.html

--------------

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http://technoanswers.blogspot.in/2012/02/ford-explorer-40-will-not-idle-when.html

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Automatic transmission shift lever hard to move on cold mornings?

http://technoanswers.blogspot.com/2012/01/automatic-transmission-shift-lever-hard.html

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Car won't start when cold?

http://schematicsdiagram.blogspot.com/2011/12/car-wont-start-when-cold.html

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These will help.

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1 Answer

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Its cold start issues:----
Go through the list of help links mentioned below:----

Click the link :----



Cold start problem and vehicle shudder around 2500 to 3500 rpms

http://repairhelpcenter.blogspot.com/2012/10/cold-start-problem-and-vehicle-shudder.html

----------

Low idle when cold out side?

http://repairhelpcenter.blogspot.com/2011/12/low-idle-when-cold-out-side.html

--------------

Ford explorer 4.0 will not idle when cold?

http://technoanswers.blogspot.in/2012/02/ford-explorer-40-will-not-idle-when.html

--------

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http://technoanswers.blogspot.com/2012/01/automatic-transmission-shift-lever-hard.html

----------

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http://schematicsdiagram.blogspot.com/2011/12/car-wont-start-when-cold.html

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2 Answers

Nissan Altima no cool air blowing or hot air blowing


Hi!
It appears we have an Air lock scenario and you will need to perform a system Bleed.
Park the vehicle on level ground, when cold remove coolant filler cap, start engine and leave to idle, turn heater on full and blower to max. When engine reaches operating temperature watch and listen near coolant filler, keep clear as gurgling and hopefully a boil over should occur. Top up with very warm coolant and wait as it may do it again.
Check for heat inside vehicle if warm replace coolant cap but keep an eye on temperature gauge as the ~Air lock may have moved on from heater matrix/core so proceedure needs to be carried out again from COLD.

Please press the Blue button to appraise my FREE Efforts, Thank You!
Paul 'W' U.K

Feb 24, 2009 | 2002 Nissan Altima

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