Question about 2002 Dodge Neon

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Engine revs When starting up my '02 Neon the engine revs and slows and revs and slows. Not sure what it is...

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  • yadayada
    yadayada May 11, 2010

    You need to run a scanner on the car and test for fault codes, it could be a number of things>

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  • 43 Answers

Sounds like some kind of vacuum leak or a bad IAC motor

Posted on Sep 29, 2008

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Posted on Jan 02, 2017

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3 Answers

Got 2000 dodge neon will start when cold run good but when motor warms up won't start


Nikki is the engine light on, are there any codes,have you had a tune up or any other work done lately.when you say it won't start when warm(do you mean engine will not turn over, or does engine turn and refuses to fire.
If I had to guess failing fuel pump, they tend not to build fuel pressure when ran a while(warmed up) and when left to cool build somewhat better pressure.
press the helpful button

Is Your Fuel Pump Going Bad
How do know if its fuel filter or fuel pump that is causing the problem
How To Diagnose Fuel Pump Failure EricTheCarGuy
http://www.clarks-garage.com/shop-manual/ts-01.htm#hot-start

Feb 05, 2016 | Dodge Neon Cars & Trucks

1 Answer

When i put my 02 neon in gear the engine revs but the car doesnt move


Possibly a failed transmission, low transmission fluid... Could also be the anti theft system disabling the trans. A dealer ca reprogram the car/key fob/security sensing ring (around the ignition key barrel) to work again if they have been damaged and replaced.

Jul 13, 2014 | 2002 Dodge Neon

1 Answer

02 Neon surges on start - then calms down but surges at idle. Any help would be appreciated. Thank You.


Hi Jeff, I'm glad to help! Jeff, with the engine running tap on the throttle position sensor, If it revs-up when you tap on it then replace it. Hope this helps and have an awesome day Jeff.

Apr 21, 2014 | 2002 Dodge Neon

1 Answer

2002 neon revs up to 4000rpms at start and idles up an ddown 1500rpms-2000rpms after. and begins to backfire near engine .


Engine system needs inspection on case of backfire:-----


Check out related help links to troubleshoot the vehicle backfire issues:-----

Feels like backfire from engine when decelerating?

http://schematicsdiagram.blogspot.in/2012/02/feels-like-backfire-from-engine-when.html


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Jeep Backfires?

http://technoanswers.blogspot.in/2012/02/jeep-backfires.html


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Nissan Pathfinder stalls and bucks on Acceleration?

http://technoanswers.blogspot.in/2012/02/nissan-pathfinder-stalls-and-bucks-on.html

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Nissan Pathfinder Backfires?

http://technoanswers.blogspot.in/2012/02/nissan-pathfinder-backfires.html
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These will help.
Thanks.

Nov 28, 2012 | 1995 Honda Accord

1 Answer

My 2003 neon stalls as soon as I take my foot off of the accelerator pedal or slow down it just dies....i put it in neutral and rev the engine and it revs to 4000 rpm and just breaks up....i just changed...


you may have a dirty fuel filter or the throttle plate may need cleaning.the throttle plate is the valve that moves in the intake when you move the gas pedal.if they get too dirty they cause a restriction in the intake and cause the car to stall.it also could be a tps sensor problem but this should put the check engine light on but not always.the breaking up of the motor when you rev it to 4000 rpm`s is the rev limiter in the computer that shuts down the firing of the plugs and injecotrs so you don`t cause damage to the motor when there is no load on it.

Sep 17, 2011 | 2003 Dodge Neon

1 Answer

95 Dodge Neon 2.0 4cyl The car starts fine, and even drives fine, but for some reason while idling, if I so much as touch the accelerator with my fingertip, the car revs up real high for about 5 seconds,...


sounds like you are having problems with the throttle valve cable trying to stick. check to see with the engine turned off to see by pressing down on acclerator pedal to the floor and releasing it quickly. if it shows to be slow in returning then you need to replace cable on throttle body. hope this will help you!!!

Apr 14, 2010 | 1995 Dodge Neon

2 Answers

I have a 04 neon when it starts when cold it knocks real bad then when it warms up it will knock when you let up on it


be sure engine oil is full. ma be internal engine damage. may need to replace motor or get new car.

Nov 29, 2009 | 2004 Dodge Neon

1 Answer

Engine light on 02 dodge neon


If you bought it from a dealer, take it back & speak to them about scanning for codes & if they are going to repair it. If private, I guess your on the hook for having it scanned for codes & diagnosis.

Sep 16, 2008 | 2002 Dodge Neon

2 Answers

2002 Dodge Neon Starter


might want to try charging the battery for a while on a battery charger.
usually when a vehicle does this, its because the alternator is trying to charge the battery more then normal causing the motor to rev higher.

Jul 15, 2008 | 2002 Dodge Neon

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