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1991 Cadillac Seville 4.9L Excessive Emissions
Posted to GM Driveability on 5/1/2002 6 Replies

This Cad runs perfect at cruise with excellent power. At idle it seems perfect until you look at the HC readings. This car failed smog soon after I told him it was worth putting a new transmission in it, so I feel a little responsible. The EGR valve was suckin...

6 Replies Received (View Replies)

  Related Documents & Media  1991 Cadillac Seville

 
Message Closed w/FIX

car Vehicle Data

1991 Cadillac Seville

VIN 1G6KS5331L
Engine4.9 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / PFI
SymptomsExcessive Emissions
OccursIdle
Message Closed w/FIX

car Vehicle Data

1991 Cadillac Seville

VIN 1G6KS5331L
Engine4.9 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / PFI
SymptomsExcessive Emissions
OccursIdle