2005 Dodge Neon "poor idle codes" Questions

idle, poor fuel milage my neon has a rough idle maybe even a misfire. it only seems to happen when i turn on the heater or the defrost. the car also backfires when you try to speed up. when its idling

...poor fuel economy * A no start condition * Vehicle may start, but run very poorly, blowing black smoke, running very rough and misfiring * Illumination of MIL EGR valve Usually a fault in the control ...

...Parts will not charge for the service and it can lead to a diagnosis of which system to address regarding the poor gas mileage and the high idle, spuddering, stalling, etc. Good luck on this

...poor gas mileage after driving 20 min, check engine lite comes on, stays on, 10 min later, lite flashes a few times, remains on; Advance Auto, using handheld sensor, showed code explaining ...

codes with a code reader or scan tool. If the light came back on in two days with the same code the same problem came back. To "reset" the pcm "computer" on any 1st or 2nd gen neon, you will need to 1

...idle and the ECU adjusts injection cycles to suit. You said that your car has a tendency to cut out when coming to a stop i.e. when the throttle is closed and you are coasting down. If the MAP is all ...

...faulty signal to the EMS. Related SymptomsExtended crank time with a cold engine Intermittent rough running Unstable idle Bucking Hesitation Stumble Chuggle Poor fuel economy Stalling on ...

...poor idle and occasionally will not start. Replaced plugs and wires. When car doesn't start I have taken the IAC valve off and sprayed carb cleaner and the car starts everything is fine but now the ...

...pressure in the system. If there is a leak, such as a cracked vent hose, loose (or leaky) gas cap, poorly installed or defective O-rings on the fuel level senders on the fuel tank, etc. a code will ...