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jimrdawson 7/2/2010
1999 GMC K2500 Suburban SLT 8Cyl5.7L - Engine
obd11 p0404 egr ckt range/performance what does it mean
runs great 99% of time
1 Answer
  • yboy82
    yboy82 7/9/2010
    The description of the code that you’ve mention is Exhaust Gas Recirculation Circuit Range/Performance. If runs great your vehicle may have a stored trouble code, erased it simply by disconnecting the negative cable of your battery for several minutes. Try it if it works.

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