01 Express 2500 rough start in park
I have an 01 Express 2500 . In the morning I start the van and it idles very rough to were it back fires then stalls. If i put it in Neutral, starts and idles fine . Lately it been stalling when im driving. After its warm ill be driving and when i slow down it stalls. Recent repairs with in the year. Fuel pump, stat, Idle control valve, Crankshaft position sensor and air filter. Any ideas?