Motorcharge
Member
First off sorry if this is the wrong section for this but it seemed the most relevant.
Anyway, bought an 03 1500 with 4.7 with 200k on it a couple weeks ago. Had a slight lifter tick when it's cold in the morning, did some googling found it's pretty common and saw a lot of people cleared it up with a seafoam treatment. I've always used it on my vehicles so went ahead and did it on this truck. With it running I pulled the brake booster line and very slowly poured ~1/3 if not a little less of the can into the line til I thought I'd poured enough. Being at 200k and probably never having been done I didn't want to overdo it. Shut the truck off, let it sit about 15 min, and noticed a CEL after. Did the key trick to pull the code, found it was a vac leak code, and didn't think much of it since I'd pulled the booster line. Hammered on the gas most the way home (about 10 minutes) and it stopped dumping smoke out after a couple minutes. Seemed to be running better and idling better at lights and didn't think I had any problems til I got home and went to back into a parking spot and the engine stalled. Now it stalls anytime I go from Drive to Neutral or Reverse. If I go from park to reverse, neutral or drive it does fine and operates normally but anytime I go from drive to any of those three it's stalling out now and I can't figure out why. It also wants to stall out when idling sometimes when I first start it or won't turn over first thing in the morning now. If I try starting it a couple times it does fine like it should after the 2nd or 3rd start, sometimes it just fires up and idles fine as it should the first time but seems to be more temperamental when it's cold. I haven't had a chance to clear the CEL (scan tool at work is broken atm) but it seems to want to stall more at start up if I have the heat cranked and it sounds like it's trying to suck vacuum. I figured I still had a vac leak but I can't seem to find one anywhere and it's connected fine at the brake booster where I pulled the line. Little lost on what could be causing it at this point.
Anyway, bought an 03 1500 with 4.7 with 200k on it a couple weeks ago. Had a slight lifter tick when it's cold in the morning, did some googling found it's pretty common and saw a lot of people cleared it up with a seafoam treatment. I've always used it on my vehicles so went ahead and did it on this truck. With it running I pulled the brake booster line and very slowly poured ~1/3 if not a little less of the can into the line til I thought I'd poured enough. Being at 200k and probably never having been done I didn't want to overdo it. Shut the truck off, let it sit about 15 min, and noticed a CEL after. Did the key trick to pull the code, found it was a vac leak code, and didn't think much of it since I'd pulled the booster line. Hammered on the gas most the way home (about 10 minutes) and it stopped dumping smoke out after a couple minutes. Seemed to be running better and idling better at lights and didn't think I had any problems til I got home and went to back into a parking spot and the engine stalled. Now it stalls anytime I go from Drive to Neutral or Reverse. If I go from park to reverse, neutral or drive it does fine and operates normally but anytime I go from drive to any of those three it's stalling out now and I can't figure out why. It also wants to stall out when idling sometimes when I first start it or won't turn over first thing in the morning now. If I try starting it a couple times it does fine like it should after the 2nd or 3rd start, sometimes it just fires up and idles fine as it should the first time but seems to be more temperamental when it's cold. I haven't had a chance to clear the CEL (scan tool at work is broken atm) but it seems to want to stall more at start up if I have the heat cranked and it sounds like it's trying to suck vacuum. I figured I still had a vac leak but I can't seem to find one anywhere and it's connected fine at the brake booster where I pulled the line. Little lost on what could be causing it at this point.