1998 Chevrolet 1500 Pickup Q&A
1998 Chevrolet 1500 Pickup Question: rough idle
Just rebuilt this 98 350.Heads milled and tested, block tested and honed new pistons,rings,bearings,oil pump, new cam and bearings and new lifters. Started up fine, have a very rough idle. Firing order is correct and timing is correct. all hoses and wires reconnected. Totally out of ideas here. Cylinders are firing. entire engine shakes and has very little power. Have checked for vacuum leaks and can find none. Engine was running this was before the rebuild. Any suggestions???? - Jmichael
CK COMPREESION AND VALVES FOR BEING TIGHT - globalhelper
How does it run out on the road? Agree on valve adjustment! However if it was doing this before the rebuild, possible distributor problem also. - pushrod
Truck runs great when driving down the road and idles smooth for a couple minutes after coming to a stop. Then it develops a "stumble" that is very pronounced. I'm fairly confident it isn't ignit...
...engine light is OFF. Called mechanic cause I broke a brake line. He fixed line and looked at rough idle problem. Plugs were a mess. Some carbon, some covered in oil, some brown in color. Oil over fu...
My truck idles fine when sitting in Park. When I put it in Drive, it wants to stall out. I have replaced all of the "bells & whistles". Any other suggestions as to what I can try? Thanks!
still nunnings very rough what,s wrong?
year model is 2002. My truck starts fine & will idle when in neutral. when you shif into gear and try to give it gas it wants to backfire sputter & die. This goes on for 30 seconds approx. and then...