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1992 Cadillac Seville 4.9L Excessive Emissions, Poor Idle Quality, Hesitation, Surge, Cuts out, Misfire
Posted to GM Driveability on 1/21/2010 8 Replies

Customer brought car in running very rough and BLOWING blue/white smoke out of exhaust. Customer said that it only does it intermediatly. I saw that the modulator valve was really wet with fluid around the vacuum line. I replaced it and it ran fine for 20 mile...

8 Replies Received (View Replies)

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car Vehicle Data

1992 Cadillac Seville

VIN 1G6KS53B6N
Engine4.9 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
SymptomsExcessive Emissions, Poor Idle Quality, Hesitation, Surge, Cuts Out, Misfire
OccursIntermittently
Message Closed

car Vehicle Data

1992 Cadillac Seville

VIN 1G6KS53B6N
Engine4.9 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
SymptomsExcessive Emissions, Poor Idle Quality, Hesitation, Surge, Cuts Out, Misfire
OccursIntermittently