Close
Q:

Car starts but runs rough at idle. When you accelerate the engine smooths out? on 1990 Nissan Maxima

Rookie cbe0621eac06868b3efe0d8d1d3611e23c60d3114864ea2ec19a68cfbd3eebab
runs this way all the time.
(1) Answer
Sound like a vacuum or low compression problem. Possible valve not seating or burnt, check compression. Possible vacuum leak have a smoke test of the vacuum circuits performed. Either problem will be more pronounced at idle and decrease with rpm!