Question about 1995 Dodge Neon

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My 95 neon runs rough on inclines and when idle ,starting off but after it goes on flat ground it runs fine? It's also running very rich and has bad gas mileage climbing steep hills it almost dies out. it spits and pops but sometimes it runs like a champ Any  help        

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I would check the mass air flow sensor and also do the basic tune up (plugs and wires).

Posted on May 13, 2009

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What is the miles on the car?, sounds like you need new spark plug wires and maybe a new fuel filter.

Posted on May 13, 2009

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1 Answer

1999 cherokee starts and runs fine then idles rough and dies


If the start and run fine are on cold starts, I would look for vacuum leaks. The normal start mode for these things is to have a richer condition upon a cold start. When the ECU detects warmth in the engine is drops the extra rich cold start mode then the idle goes rough due to the normal mixture being too lean due to a vacuum leak. Look for cracked, loose or broken vacuum hoses. It could also be due to a EGR valve stuck open.

Jul 05, 2014 | 1999 Jeep Grand Cherokee

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Fuel system running rich and stalling


Sounds like it is slightly out of time.

Apr 14, 2014 | Ford Cars & Trucks

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Check engine light is on, emmissions said o2 sensor out replaced sensor replaced plugs,rotor ,cap and wires still idels rough and floods


95 16v ?
what DTC, post DTC? why skip that,... there are many 02 DTC.
most fail for heater, dead,
lets play a game. say;
1: CEL out running, is it , now?
2: you did the 60k by the book, did you? if not why not?
3: checked spark timing, its good, not way off, is it?
the 60k requires a new Timing belt, ever check that, or the timing of the cam? or compression, if not why not.?
no motor can run right with all or any of those stated items bad.
is the fuel filter packed up. 60k.
lets now pretend the 60k was done and done right.
click 60k here
http://www.fixkick.com/IGN_timing/tune-ups.html

"what can make my 95 very rich?,"
Ill pretend it's a MPI 16v engine, not TBI. big differences that.
The 16v has 4 injectors, quad trouble !
rich? you never said under what conditions, hot or cold?
ill pretend, its all the time. rich. not just cold or hot.
1: engine never reaches 180F and holds there (miniumum)
does it? if not it will run rich forever. the ECU thinks its cold all the time and guess what it is.
2: Exhaust cracks, near the 02 sensors, making said sensor useless (new or old)
3: fuel pressure not near 30psi ($20 gage) found at 60. opps. bad.
4: leaking injectors.
5: clogged injectors, (seems odd but is true) ask.(complex)
there is an order to finding this.
ask for detailed help here, totally free.
http://www.fixkick.com/bbs2/Suzuki-bbs/

Feb 18, 2013 | 1995 Geo Tracker

2 Answers

My 95 Windstar idles very roughly. It starts just fine but after about 4 to 5 minutes it starts idling roughly. I put a new air filter in but that didn't do anything.


Hi, Try to replace fuel filter. It maybe clogged up and making engine run rough or poor. Also check and replace spark plugs. A bad spark plug will make it run rough too. Good luck.

Jun 15, 2011 | 1995 Ford Windstar

1 Answer

Engine backfires when accelerating, idles rough but runs fine over 50+ miles per hour.


Idle is rough because not a right Air/ Gas mixture.
The ideal air /gas ratio is 14.6:1. If less than that it has rich mixture. If it more then that it has a lean mixture.
Back fire happens when accelerated because of of rich mixture pumped out at exhaust cycle is burning.
At speed above 40 miles/hour, temperature and fast compression cycle make the problem is less obvious.
Cheap first shot is to replace the air filter to correct this ratio. If it doesn't help, need Fuel distributor service. ( However people like to make easy money from you first, they will convince you for a turn up) Good Luck. I'll check back to see how the progress going.

Jul 05, 2009 | 2001 Dodge Neon

2 Answers

Starts good but bogs out in gear


Tuned-up lately, like new plugs & wires? Check EGR Valve, and also cycle key to retrieve any trouble codes that may be stored that will point you /us in right direction, and let us know what came up. Turn key to on, off,on,off,on, and leave in on position & count flashes of "check engine" light. goes like this: 2 flashes, pause, 2 more is code 22. 3 flashes,pause 4 more, is code 34........write them down & get back.

Jun 24, 2009 | 1995 Dodge Neon

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