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1987 Mercury Sable LS 3.0L Intermittent Vacuum
Posted to Ford Driveability on 7/13/1998

intermittent vacuum to the EGR valve. I only get vacuum when I climb a short hill, then when I get to the top, I get about 5 inches. then I won't get any vacuum, while cruizing

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car Vehicle Data

1987 Mercury Sable LS

VIN 1MEBM53U6H
Engine3.0 L / 6 cyl / GAS
Trans4-speed Automatic
DeliveryFI / mfi
SymptomsIntermittent Vacuum
OccursIntermittently
Message Closed

car Vehicle Data

1987 Mercury Sable LS

VIN 1MEBM53U6H
Engine3.0 L / 6 cyl / GAS
Trans4-speed Automatic
DeliveryFI / mfi
SymptomsIntermittent Vacuum
OccursIntermittently