Rough idle & accel

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Cadillac Seville / Cadillac Eldorado Forum Discussion, Rough idle & accel in Past Cadillac Vehicle Discussion; 95 Eldorado rough operation. Changed plugs and wires with a little improvement. Don't have a manual for the car. Using ...
  1. #1
    JEFRANK is offline Cadillac Owners Member
    Automobile(s): 95 Eldorado
    Join Date
    Jan 2010

    Rough idle & accel

    95 Eldorado rough operation. Changed plugs and wires with a little improvement. Don't have a manual for the car. Using Web OBD link Found code P119 "Open or Shorted Injector". No other P codes. Also noted that only plug #6 is wet. Resistance of the #6 injector is 12 ohms. What are the next steps to correct?

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  3. #2's Avatar is offline Cadillac Owners Connoisseur
    Automobile(s): 2001 DTS(140K), 2000 ETC(284K), 1990 allante( 80K)
    Join Date
    Mar 2007
    Tottenham, Ontario,Canada

    Re: Rough idle & accel

    so you have a bad injector .. start to disconnect them ONE AT A TIME and which ever one DOESNT make a diffrence in the idle that is the injector at fault.
    pull the fuel rail and be sure to relieve the pressure in the fuel rail by a valve at one end ( not sure on the 95 engine you should find it if you follow the fuel rail)
    and then pull that injector see if its clogged etc etc. or test the circut.
    if you beleive the injector is fine.. swap it out with another one and see if the misfire. moves to that cylinder or stays at the original one.
    then obviously buy a new injector or look into where the wire has been screwed up.

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