× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network
1994 Chevrolet C1500 5.7L Excessive Emissions, Poor Idle Quality
Posted to GM Driveability on 1/15/2007 37 Replies

Good evening GM techs.I have an old pickup here that is driving me crazy.I start it cold and the tailpipes look like chimneys,black [...] it warms up it goes into closed loop and starts to idle marginally better but not [...] temp is right on [...] map sensor ...

37 Replies Received (View Replies)

  Related Documents & Media  1994 Chevrolet C1500

 
Message Closed w/Summary

car Vehicle Data

1994 Chevrolet C1500

VIN 1GTDC14KXR
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
SymptomsExcessive Emissions, Poor Idle Quality
OccursAlways
Message Closed w/Summary

car Vehicle Data

1994 Chevrolet C1500

VIN 1GTDC14KXR
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
SymptomsExcessive Emissions, Poor Idle Quality
OccursAlways