Question about 2003 Dodge Neon

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My neon starts good,but miss-fire when hot.i already changed the fuelpump.it is loosing its power totaly

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Check the spark plugs and wires. Look at the plugs to see if there is a black line vertical on the ceramic part. That would indicate a faulty plug wire, a common problem of the 2.0 litre engine in the Neon and PT Cruiser.

Posted on Apr 21, 2009

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My 2001 dodge neon cranked without the cam sensor connected. what's wrong with this picture?


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Feb 05, 2016 | 2001 Dodge Neon

1 Answer

What would make my 1987 ford ranger run good at start , go for 5 to ten miles and loose all power . i have already replaced fuel filter


check for codes this may help if their is one, some codes will set without turning on the check engines light.have the fuel pressure checked with a gage as a bad fuel pump will act this way. have the tps(throttle position sensor) checked for voltage dropouts as you move the throttle. the catalytic converter could be plugging up and need replacing. if you have an ignition problem usually a miss will be noticed. on other thing I can think of is possibly a transmission problem, I can only recall one that I`ve run across that this was the cause.

Jul 14, 2014 | 1987 Ford Ranger

1 Answer

When i first tune the key on the fuel pump dose not engage. I checked the battery and charging system and both are good, but if i jump the car or hook up my battery charger on start mode the fuel pump...


Alot of times a bad fuelpump will run with the extra voltage not often but sometimes, i would check the power voltage and ground at the fuelpump, this is the only way to know for sure, if you get 12 volts and have a good ground at the fuelpump then i would say the pump is bad, check all wires going to the battery, make sure there are no loose wires or connections at battery terminals and try changing the fuelpump relay with another one and see if that helps, a bad relay can also cause this, good luck.

Feb 12, 2011 | 2000 Lincoln Town Car

1 Answer

I think I'm vapor lock, what are the causes in this model? I get miss firing as a result of this and it only seems to happen when the car is hot. I've got new plug, wire and coil pack on the vehicle.


the first thing is to scan the computer to locate the cylinder thats misfiring, the next thing would be to have the fuel preasure tested, as it seems like you may be loosing fuel preasure, this can be caused due to a bad fuelpump a clooged fuel or a bad fuel preasure regulator, when you feel the car misfiring remove the vacuum hose to regulator and make sure theres no gas leaking from regulator where the vacuum hose goes, hope this helps, also i would try a fuel system motor vac this clean the injectors and removes carbon build up.good luck.

Sep 13, 2010 | 2003 Dodge Neon

1 Answer

I have an engine diagnstic code of P1684 and P302 on my 2000 plymouth neon. The car jarks as it is pulling under load.


P0302 is miss fire #2 cyl like a bad plug,wire or coil P1684 will set if you have lost battery power or battery has been disconnected the miss fire is why the car is jerking

Mar 30, 2010 | 2000 Plymouth Neon

1 Answer

1998 dodge Neon no fire to coil


it sound like you have a bad crank sensor when the sensor gets hot it open circuits inside the sensor and you loose spark if you have access to a noid light see if you are loosing injector pulse also if so then you know its a good chance its the crank sensor

May 29, 2009 | 1998 Dodge Neon

2 Answers

1998 dodge neon. Engine tries to start , but won't catch.


The timing belt may not be broken,but is it missing any teeth,sounds like it has jumped timing,i would remove the cover and inspect it real good.

Apr 07, 2009 | 1998 Dodge Neon

1 Answer

Dodge neon 1998 2end cylinder miss fire


if this car has coil on plug set up i would change the coil itself.

Jan 29, 2009 | 2004 Dodge Neon

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