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1987 Chevrolet Caprice 5.0L Excessive Emissions
Posted to GM Driveability on 2/26/2003 14 Replies

High CO's, Marginal HC's at cruise. Very clean at Idle. Carb. ?? First time dealing a carb. on an emissions failure. On accell.. CO's going too high... Low speeds ok. Air pump sys. ok, cat., and 02 ok. Driveabilty is great but on even slight accell it fails CO...

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  Related Documents & Media  1987 Chevrolet Caprice

 
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car Vehicle Data

1987 Chevrolet Caprice

VIN 1G1BN51HX1
Engine5.0 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryCARB
SymptomsExcessive Emissions
OccursOn Decel, on Accel, Cruise
Message Closed w/FIX

car Vehicle Data

1987 Chevrolet Caprice

VIN 1G1BN51HX1
Engine5.0 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryCARB
SymptomsExcessive Emissions
OccursOn Decel, on Accel, Cruise