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    trouble codes...

    this is for my 1991 mercury grand marquis LSS, i got a code saying that the potentiometer for the EGR has high voltage input but its been a couple of weeks since i jus put a new one on and a new EGR valve. is it possible that there is a wireing prob somewhere and is there any risistors or that kinda jazz? thnx in advance

    1981 Mercury Marquis Brougham 2-Door 302/ 5-speed -special blend (GMGT)
    1987 Lincoln Mark VII 5-speed (Errand runner)
    1989 Mercury Grand Marquis (Base Runner)
    2007 Lincoln Town Car Signature Limited (Hustlyn)
    2011 Ford Crown Victoria Police Interceptor (Down with O.P.P)
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