Disconnecting EGR

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Northstar Engines and System Technical Discussion Discussion, Disconnecting EGR in Cadillac Engine Discussion; Will I get more Power and lower fuel consumption? Is it risk for the EGR valve will stuck open?...
  1. #1
    MachoDemon is offline Cadillac Owners Member
    Automobile(s): Cadillac Allante 1993
    Join Date
    Jun 2013

    Disconnecting EGR

    Will I get more Power and lower fuel consumption?

    Is it risk for the EGR valve will stuck open?

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  3. #2
    Submariner409's Avatar
    Submariner409 is offline If it won't run, chrome it
    Automobile(s): 2002.5 F55 STS - 65500 miles, 2014 Explorer XLT FWD
    Join Date
    Feb 2006
    MD Eastern Shore, Kent Island

    Re: Disconnecting EGR


    EGR is used to lower combustion temperatures by selectively diluting the fuel/air charge. It is fairly benign, and does not operate under full throttle conditions so you'll never really know when it is operating. Because it does affect part-throttle combustion, disconnectoing it - or a stuck/sticky valve - will usually give you a part throttle or off-idle ignition ping - sometimes constant, sometimes only three or four pings.

  4. #3
    Ranger's Avatar
    Ranger is offline Cadillac Owners Member
    Automobile(s): White Diamond '03 DHS (with DTS floor shift)
    Join Date
    Jun 2004
    Woodstock Ill.

    Re: Disconnecting EGR

    Quite the opposite. You'll get higher fuel consumption.

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