Engine Mechanical problem
1992 Chevy Silverado V8 Four Wheel Drive Automatic 267000 miles
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just replaced the engine in this truck it has 80000 miles on it , the truck will start right up when its warm out side but has a hard time starting when cold out . after its been running awhile 15 min or so if you shut it off it wont start good i can get it to start if i hold done the thodle but it wont idle. ive canged the iac and the tps.nothing changed. checked the timming its ok. new plugs wires cap rotor dist.im at a loss can some one pont me in the right spot