i just bought a neon last week. it 39,000 miles. for the last week it has run great. now my engine light is on. it still runs fine. there are no leaks anywhere. the gas cap is on as tight as i can get it. there are no leaks in any of the hoses. i double checked the spark wires. in short i have triple checked everything i can touch but the light is still on. any advice??
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2005 Dodge Neon Question: engine light
Answer #1patrick mannion from Greg Solow's Engine Room, August 23, 2009, 23:08Master
If the Check Engine light/Service Engine Soon light illuminates while you are driving, the car's on board computer sees a fault in the engines management system that is causing an excess amount of pollutants to be emitted from your car. This could result in engine damage if left neglected. Some problems that can cause the Check Engine light to stay on may take two "drive cycles' to complete before illuminating the Check Engine Light.. The computer sees a problem and looks for an identical set of circumstances to occur to confirm that it has indeed seen a problem before turning on the light. A Check Engine light that continually flashes while you are driving is serious and is a sign that the computer sees a problem that seriously risks damaging the catalytic converter which may result in an expensive repair or even may cause a fire! Diagnostic codes are stored in the vehicle's computer and can be retrieved using a scantool that communicates with the computer in your car. We have in our Repairpal website an encyclopedia with in depth articles about computer, and computer control systems, emission and driveability problems. http://repairpal.com/check-engine-light
If you could tell us what trouble codes are store I can tell you the area and procedure to follow to "fix" the check engine light.
Answer #2Visitor, April 28, 2011, 20:23
try cycling the key on and off 3 times and the check engine light should flash pause then flash again then long pause cound the flashes between the pauses and you should get a 2 digit code google those codes in order to find out what the code is just search for (year) dodge neon engine code __