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1998 Mitsubishi Eclipse System Rich

Tiny
ITCHWEEED2000
  • MEMBER
  • 1998 MITSUBISHI ECLIPSE
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 132,020 MILES
I scanned my car for codes, and a code came up "SYSTEM TOO RICH (Bank 1)". My question is what could cause my car to run rich? Mind you, I did tune up. Changed plugs, wires, coil. Then I scanned system. Please help me out.

thank you
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Tuesday, February 16th, 2010 AT 5:30 PM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Your possibilities here could be one of the following, O2 sensor, fuel pressure regulator, leaking injector/s, cloged airfilter and coolant temperature sensor stuck in the open loop mode-
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Tuesday, February 16th, 2010 AT 5:47 PM

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