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2002 Dodge Neon check engine light

Tiny
GST1965
  • MEMBER
  • 2002 DODGE NEON
2002 Dodge Neon 4 cyl Front Wheel Drive Automatic

is there any way to check the check engine codes without having to use a scanner. Also does the light come when an oil change is due or something. If so how can I resest the light.
Monday, February 9th, 2009 AT 7:25 PM

5 Replies

Tiny
ZACKMAN
  • MECHANIC
  • 4,202 POSTS
Using Odometer Display
1. DTCs can be retrieved by cycling ignition switch. To retrieve DTCs, cycle ignition key on-off-on-off-on within 5 seconds. Instrument cluster odometer will display DTC.
2. If no DTCs are displayed, odometer will display either P1684 and DONE, or only DONE. DTC P1684 is only a status and indicates that PCM memory has been cleared within the last 50 ignition cycles. No problem exists. DONE indicates that no DTCs are present and procedure is complete.

***Post the codes once you retrieve them. We'll be glad to help you diagnose. The MIL will not come on only for the oil change due.***
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Tuesday, February 10th, 2009 AT 12:13 AM
Tiny
GST1965
  • MEMBER
  • 4 POSTS
Thanks for the help getting the codes. The code that popped was p0546. I found a line to the evap canister cracked at the top of the nipple to the canister. Cut it and reinstalled. Not sure if that was the problem because I do not know how to cear out the check engine light and see if it comes back.
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Tuesday, February 10th, 2009 AT 8:27 PM
Tiny
ZACKMAN
  • MECHANIC
  • 4,202 POSTS
Well, it could be. But P0546 is Exhaust Gas Temperature Sensor Circuit High (Bank 1). It has something to do with your EGR sensor circuit. You may want to unplug the sensor from its wire harness, inspect for cut, frayed or weakened wire or vacuum hose.

Just unplug your battery for 15 minutes to reset the PCM.
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Tuesday, February 10th, 2009 AT 9:34 PM
Tiny
GST1965
  • MEMBER
  • 4 POSTS
Could you please tell me where the egr valve is located. Could not find it in the haines manuel
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Wednesday, February 11th, 2009 AT 2:11 PM
Tiny
ZACKMAN
  • MECHANIC
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My mistake. P0546 means different things to different manufacturers. In your case, Chrysler's P0546 - EVAP Emission Control - Very small leak detected. So, that would corresponds with cracked canister line.

Just unplug the battery for more than 15 minutes, and you should be fine.

Have a good day.
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Wednesday, February 11th, 2009 AT 10:29 PM

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