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
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    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
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    Re: Disconnecting EGR

    No.

    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
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    Re: Disconnecting EGR

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

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