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1986 GMC cab over 231CID Excessive Emissions
Posted to GM Driveability on 11/20/2006 3 Replies

This is an old Isuzu turbo diesel that failed the emissions - the opacity limit is 55 - it came in with a failed reading of 85 - we have been able to replace fuel filter / air filters and change oil and oil filters and the diesels usually clean right up - this...

3 Replies Received (View Replies)

 
Message Closed w/FIX

car Vehicle Data

1986 GMC cab over

VIN J8DB4B1H6G
Engine231 / 4 cyl
DeliveryFI
SymptomsExcessive Emissions
Message Closed w/FIX

car Vehicle Data

1986 GMC cab over

VIN J8DB4B1H6G
Engine231 / 4 cyl
DeliveryFI
SymptomsExcessive Emissions