1990 Pontiac Sunbird Questions

All 1990 Pontiac Sunbird Questions

Ask a Question
did the egr test (snapped throttle and check if valve is open on deceleration)-chiltons) my EGR is open on acceleration and closes on deceleration? this is causing my car to idle rough and run rough under 2Krpm (anyth...
1990 pontiac sunbird 2.0 Naturally aspirated, 2 door convertible, carbureted, automatic, 206K. (PROM, ECM work no check engine code). Runs and drives fine first 30 min highway and most days around town. After 30 min ...
car will not stay running
crankshft got turned with out marking now car wont start
engine when warm, will stall when put in gear.