Join Now
International Automotive Technicians Network
1994 Chevrolet S10 Blazer 4.3L Excessive Emissions, Poor Idle Quality, Surge, BLACK SMOKE
Posted to GM Driveability on 8/11/2006 52 Replies


History: Replace fuel pump (for long cold start) back in first part of July this year. 2 weeks later customer comes back with runs rough symptom, had a code for EGR and signs of EGR stuck open (rough running, black smoke, bad smell).Replaced EGR valve ...

FIX posted 8/15/2006

52 Replies Received (View Replies)

  Related Documents & Media  1994 Chevrolet S10 Blazer

Message Closed w/FIX

car Vehicle Data

1994 Chevrolet S10 Blazer

Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / CPI
EmissionsUS FED
SymptomsExcessive Emissions, Poor Idle Quality, Surge, Black Smoke
Misc.4 Door