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1994 Cadillac Seville STS 4.6L Poor Idle Quality, Surge, Cuts out, Stall, MIL Lamp on
Posted to GM Driveability on 8/21/2000

Please help a chevy tech on this caddy.

Vehicle starts and surges at idle to the point of stalling at times. Can rev to 2000rpm and acts like rev limiter, but it's not. Setting a map code. Remove plenum cover and checked map sensor with vac. volts read norma...

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Message Closed w/FIX

car Vehicle Data

1994 Cadillac Seville STS

VIN 1G6KY5290R
Engine4.6 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / SEFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Surge, Cuts Out, Stall, MIL Lamp On
OccursCold, Idle, Intermittently
Misc.Tuned Up Prior Spark Plugs
Message Closed w/FIX

car Vehicle Data

1994 Cadillac Seville STS

VIN 1G6KY5290R
Engine4.6 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / SEFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Surge, Cuts Out, Stall, MIL Lamp On
OccursCold, Idle, Intermittently
Misc.Tuned Up Prior Spark Plugs