1998 Cadillac Seville SLS 4.6L Poor Idle Quality, Misfire
Has misfire when cold in mostly cylinder 1 when cold. When engine warms up in (closed loop) the mis-fire goes away and runs clean. Ignition checks out with no codes///date stream looks good except for LTFT....Smoke tested and found leak at rear of intake close...
FIX posted 9/30/2006
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Message Closed w/FIX
Vehicle Data1998 Cadillac Seville SLS
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Message Closed w/FIX
Vehicle Data
1998 Cadillac Seville SLS
VIN | 1G6KS54Y8W |
Engine | 4.6 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | Poor Idle Quality, Misfire |
Occurs | Cold |