03 xterra se. 3.3l 85,000 miles. got this xterra as a no start.found no spark.replaced with Nissan dist. still had intermittent fuel issue. replaced corroded sending unit. still seems like it's missing. in gear with a/c on it stumbles and stalls. p0328 knock code not illuminating mil. any ideas?

EGR valve hoses possibly. I just got a job done and turned out that it was some cheap vacuum hose that was old and the auto shop replaced it for free. Ta daa