Rough Running

2000 PLYMOUTH NEON
159,000 MILES • 4 CYL • 2WD • MANUAL
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BOOMER64138
  • MEMBER
  • 2 POSTS
I have a 2000 neon that backfires at low speeed under a load.At high speed runs great.At idol RPM's fluctuate and sometimes race.The engine light is on. Please give suggestions.This car has been tuned up plugs wires filters ect.
Mar 15, 2011 at 5:33 PM
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BOOMER64138
  • MEMBER
  • 2 POSTS
Thanks For any suggestions
Mar 15, 2011 at 5:34 PM
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JDL
  • ✓ASE Certified Mechanic
  • 16,098 POSTS
  • ASE Certified Mechanic
Have the trouble codes checked? Some of the national brand autostores used to check codes for free.
Mar 15, 2011 at 7:05 PM
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