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2005 Dodge Neon Diagnostic Code P0457

Tiny
ARSWEB
  • MEMBER
  • 2005 DODGE NEON
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 10,998 MILES
I was driving home from work today when my "indicator malfunction light" came on. I am getting diagnostic code P0457 when I toggle the keys with no other codes (it says "done"). Can anyone tell me what this means?

A quick search indicates maybe a loose gas cap, so I tightened down my gas cap. I drove around the block, but the indicator light is still on. The gas tank is at about 3/4 full, last filled on Saturday and driven over 70 miles since being filled. Would the light go off immediately if it was a loose cap?

Any leads would be helpful, my dad is a retired mechanic and I'd like to try and get him to fix this problem before I go in for dealer service.
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Tuesday, September 2nd, 2008 AT 8:47 PM

4 Replies

Tiny
BMRFIXIT
  • MECHANIC
  • 19,053 POSTS
No the light will stay on until computer run another test and that may be in a few days or
u can disconnect the battery cable to reset system and the PCM
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Tuesday, September 2nd, 2008 AT 9:26 PM
Tiny
BLACKOP555
  • MECHANIC
  • 10,371 POSTS
Light will stay on, only thing you can do is reset it, try disconnecting the battery.

The code you indicated is most likely caused by the gas cap.
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Tuesday, September 2nd, 2008 AT 9:29 PM
Tiny
ARSWEB
  • MEMBER
  • 2 POSTS
I will try the battery disconnect in the morning (it's dark now) and hope the light stays off! Thank you for the replies!
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Wednesday, September 3rd, 2008 AT 12:11 AM
Tiny
BLACKOP555
  • MECHANIC
  • 10,371 POSTS
Hope everything goes alright and if you need any further assistance dont hesitate to post back.
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Wednesday, September 3rd, 2008 AT 8:36 PM

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