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1998 Cadillac DeVille d'Elegance 4.6L Poor Idle Quality
Posted to GM Driveability on 11/27/2001 10 Replies

Hey Guys:

The customer complains of rough idle when cold and pulling out of the garage in the morning. We held the car overnight and were not able to duplicate/verify the problem, but the customer is an old friend and I'm sure his description is accurate. The...

10 Replies Received (View Replies)

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car Vehicle Data

1998 Cadillac DeVille d'Elegance

VIN 1G6KE54Y1W
Engine4.6 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / SEFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality
OccursCold, Intermittently

Trouble Codes

P0461Fuel Level Sensor Range/Performance
P0463Fuel Level Sensor Circuit High Voltage
P1527Transmission Range To Pressure Switch Correlation
PXXXXO2 sensor heater fault
Message Closed

car Vehicle Data

1998 Cadillac DeVille d'Elegance

VIN 1G6KE54Y1W
Engine4.6 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / SEFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality
OccursCold, Intermittently

Trouble Codes

P0461Fuel Level Sensor Range/Performance
P0463Fuel Level Sensor Circuit High Voltage
P1527Transmission Range To Pressure Switch Correlation
PXXXXO2 sensor heater fault