Concorde problem

Tiny
MARK4058
  • MEMBER
  • 2002 CHRYSLER CONCORDE
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 110,000 MILES
Have a 2002 concorde that runs sluggish on startup it also backfires after a few minutes it runs fine. I keep getting 02 sensor codes. To date I replaced all of the spark plugs and the O2 sensors but still have the same problem. The ECM then read faulty transmission speed sensor so I had this replaced and still have the same problem. My mech replaced the ECM thinking that it has a loop problem but it still has the same problem. Not sure what to do from here on out
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Monday, April 11th, 2011 AT 3:36 PM

1 Reply

Tiny
BRAUNSTEEN
  • MEMBER
Perform a fuel pressure and fuel volumn test.
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Saturday, April 16th, 2011 AT 4:59 PM

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