Engine Mechanical problem
1996 Chevy Silverado V8 Two Wheel Drive Automatic 169000 miles
my truck is having trouble idling, it sputters and stalls when first started. But once it runs for a few minutes it idles fine. A mechanic says it's my # 2 cylinder. I was also told it was my cats but I have replaced those already.
so my question is how labor intensive is this going to be and does it sound like a correct diagnosis.