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1997 Cadillac DeVille 4.6L Hard start when cold
Posted to GM Driveability on 1/30/2008 9 Replies

I first checked the fuel pressure it was low 42psi koeo, so replaced pressure regulator now it has 52psi koeo as soon as turn key to run and holds, still very hard cold start. Pulled plugs they looked slightly fuel fouled. so replaced with AC plugs still same ...

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car Vehicle Data

1997 Cadillac DeVille

VIN 1G6KD54Y5V
Engine4.6 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / SEFI
EmissionsOBD-II Compliant
SymptomsHard Start When Cold
OccursCold
Message Closed

car Vehicle Data

1997 Cadillac DeVille

VIN 1G6KD54Y5V
Engine4.6 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / SEFI
EmissionsOBD-II Compliant
SymptomsHard Start When Cold
OccursCold