n 14 celect plus idles uneven when warm

615457

{"text":"N 14 select plus runs fine for 5or6 minutes when cold. Then starts skipping and idleing up and down. Runs fine at road speed no skip. Any ideas?","pics":"[]","canComment":true}

544240

{"replyTo":"","text":"#5 injector possible, Great engine, 1,260,000 till I had to overhaul the motor, wished I still had it ","replyToPid":0}

112580

{"replyTo":"","text":"Have your oil tested and a Dyno. I had one and a valve head broke off at 290,000 and caused more damage in the first 2 min before I could shut the engine off.","replyToPid":0}