I Have A '99 K3500. Over The Last Year It Has Slowly Been Getting Harder To Start Up. Once Its Started It Runs Real Nice. Lately What I Do Is I Turn The Key To The On Position And Leave It There For A Few Seconds To Let Fuel Build Up Before Cranking The Engine Over. Air Filter Is Clean And Fuel Filter Is New. I Immediately Assumed The Fuel Pump Was Going Bad. Other People Were Telling Me Its Probably The Fuel Pressure Regulator. I'm Not Too Sure What To Think. Ive Owned It For About 4 Years, Its Alway Been A Real Good Behaving Truck Til This Last Year. Its Got About 140,000 Miles On It. What Do Y'all Think?
