ENGINE LIGHT ON AND FLASHES WHEN I ACCELERA

2005 Dodge Neon

Tiny

lkyheart

March, 27, 2008 AT 4:49 PM

Engine Performance problem
2005 Dodge Neon 4 cyl Front Wheel Drive Automatic 27,600 miles

My engine light has been going on and off. It flashes when I push the gas, especially on the expressway. It starts to feel like it goes up and down not knowing what to do when I accelerate. We have changed the spark plugs and the light when off. In Idle sometimes it sputters as well like it wants to shut off. We bought an upstream oxygen sensor but haven't put it in yet. Could it be something else? Thanks

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6 Answers

Tiny

rasmataz

March, 27, 2008 AT 4:57 PM

The computer has identified a problem within the engine management system. Go to Autozone and get the OBD2 code/s pulled its a free service and comeback with the code/s this is where we start the diagnosis-without it there's no starting point-

The O2 sensor could be one of them-

Tiny

BMRFIXIT

March, 27, 2008 AT 5:02 PM

Check engine light on and flashing
you need to get the system scanned for codes
you can cycle key on off three time ending with key on
read codes in odometer area
P####
let us know of the codes

check engine light flashing its a sign of misfire check it for tune up and check the coil

Before you waste time and money on parts and sensors you should get the codes

good luck

Tiny

lkyheart

March, 29, 2008 AT 9:42 AM

The code that popped up was P 0303. Thanks

Tiny

BMRFIXIT

March, 29, 2008 AT 1:55 PM

As you see code po303 is a misfire on cylinder # 3
i would start with a tune up
good luck
Jack

Tiny

ArmyFamily08

June, 13, 2008 AT 2:18 AM

Did you ever get this fixed and what was the issue. We are having the same problem and are in a pickle due to the face that we are in Germany and have limited resources. Any help would be greatly appreciated. Thank you!

Tiny

BMRFIXIT

June, 14, 2008 AT 5:28 AM

Check engine on and flashes 9 out 0f 10 its a misfire
you had changed the plugs
I would change the wires too
check for codes
you can do that your self by cycling the key on off three times ending with key on read codes in the odometer area

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