Questions & Answers for: 2002 buick century idles rough

...2002 Quest with 89K miles. Our 5th nissan in the family. In comparison to our up-for-sale 2000 Buick Century with 136K mi, Nissan's engine is little rougher, louder, and kind of jerky. Buick's is ...

...rough idle, unless u raise rpm...after it sits for a while will behave, boggs down while accelerating, but picks up fine at bout 2500-3000 rpm...when its cold, it runs fine, oil pressure runs 40-55, ...

...buick century is on, the The oil light im my 98 buick century is on the engine has stopped running regular and idles very rough almost sounds like a diesel. Chech oil. If it has coolant in it you may ...

Idle is rough and using alot of gas. Replaced the EGR lastnight and it's still acting up. Any ideas? On the air intake hoss is a Mass Air Flow Sensor inline with the hose. Take a small peice of wood, ...

2002 Buick Century Limited 3.1L rough idle and P305 code shows up Bought car ran rough code P305 came up on no.3 cyl.Did compression check all cylinders came up with 155-165 except no.3 cylinder.Found