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1990 Cadillac Eldorado 4.5L Poor Idle Quality, Surge
Posted to GM Driveability on 10/26/2006 12 Replies

hello fellow techs, this caddy will not build fuel pressure. mitchell says that this should have 49 psi. i have 58 psi with the return line blocked, but when running i have only 25 psi regulated. remove the vacuum to the fuel pressure regualator and the pressu...

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car Vehicle Data

1990 Cadillac Eldorado

VIN 1G6FL1330L
Engine4.5 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFI / PFI
EmissionsFEDERAL
SymptomsPoor Idle Quality, Surge
OccursCruise, Idle, Intermittently
Message Closed w/FIX

car Vehicle Data

1990 Cadillac Eldorado

VIN 1G6FL1330L
Engine4.5 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFI / PFI
EmissionsFEDERAL
SymptomsPoor Idle Quality, Surge
OccursCruise, Idle, Intermittently