1997 Cadillac DeVille 4.6L Hard start when cold
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 ...
FIX posted 3/13/2008
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Vehicle Data1997 Cadillac DeVille
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Vehicle Data
1997 Cadillac DeVille
VIN | 1G6KD54Y5V |
Engine | 4.6 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI / SEFI |
Emissions | OBD-II Compliant |
Symptoms | Hard Start When Cold |
Occurs | Cold |