Car was idling rough had scan done at parts house said #4 cylinder wasnt firing . I replaced plugs wires and coil ran fine for 5 min than started to back fire and misfire and stall whats up repace ...
...rough when first start, cut off i have a 4cyl 1996 buick century. I have been having problems with it for over 6 months now. The car wont start som mornings, warm or cold, before i go to work. When i ...
1996 buick century idle rough changed plug and wires and double checked firing order and its rite try cleaning the idle air control valve in the throttle. also clean the throttle plate.
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 ...
...idle with FULL POWER> in each case i call this illegal air, in EFI it's unmetered air. there are simple tests to find cause, can name 4 to 6 tests. ask on Air density EFI , there can be unmetered ...
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