Q: why is my grand vitara missing an rough idle worse on a cold start on 1999 Suzuki Grand Vitara

Rookie cbe0621eac06868b3efe0d8d1d3611e23c60d3114864ea2ec19a68cfbd3eebab
Ive changed spark plugs and wires o2 sensors map sensor ecm t.p.s sensor and still rough idle and missing timing is good and no intake leaks what will fix this car!!
(1) Answer
(1) Comments
there are no present codes or historical codes on the presnt ecm or the one that was replaced