1990 Buick Century "rough" Questions

Engine runs rough when idling Replaced head gasket and engine idles rough and has poor gas economy. Check the firing order, The push rod has 2 differnent sizes for intake and exhaust, If they get ...

rough idle smooth accleration idles rough just sitting there when taking off smooth acceleration Check your vacuum lines and be sure your throttle body is tightened down. Carb cleaner spray can be ...

...plug change. I did not change out my wires and change the coil pack(3).. My car has started to run rough and sound like it is sick. What are some solutions. Could this be coilpack and wires.?? With ...

Just replaced starter on my car but now its idling rough and running rough sputtering Try cleaning the throttle body open the throttle all the way and use a tooth brush with carb cleaner clean it good

Engine is running rough when idling and sitting still at stops etc. I have a 1998 Ford Explorer, V8, all wheel drive. I just had new back brakes and new tires as well as new shocks put into this truck

Buick Century 97 runs rough and stutters when cold and gas applie Engine runs rough and stutters when gas is applied, runs normal when idling. Problem shows up only when car was not used for more than

...ac delco parts 2 weeks ago.any suggestions would be helpful-car runs fime does not misfire throught the driving range-but does idle a little rough. one other thing-when i remove the vacuum

1994 Buick Century Not Turning Over The engine was running rough, idling high and low, so I changed the CKP Sensor. Also replaced the battery because it was cranking low. After starting up, engine was

...have a milky substance on it (water and oil mixed), and the engine will start running noticeably rough ( not just slighhtly rough). Hope this

My Buick Century has started to run a little rough and going through gas more. Besides just the spark plugs and tune up, what could the problem be? Seems as though there is interference with air flow.