× 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
1989 Chevrolet Astro M Van 4.3L Excessive Emissions
Posted to GM Driveability on 7/12/1999 1 Reply

Hello everyone This has really got me stumped I have as previously stated this 89 Astro van which keeps pinging severely under load. I have checked for oil consumption but came up with valve seals leaking not serious. Plugs were burning clean, timing is ri...

1 Replies Received (View Replies)

 
Message Closed

car Vehicle Data

1989 Chevrolet Astro M Van

VIN [No VIN Available]
Engine4.3 L / 6 cyl
EmissionsOBDI
SymptomsExcessive Emissions
OccursAlways, Hot, Under Load
Message Closed

car Vehicle Data

1989 Chevrolet Astro M Van

VIN [No VIN Available]
Engine4.3 L / 6 cyl
EmissionsOBDI
SymptomsExcessive Emissions
OccursAlways, Hot, Under Load