Why does my truck smoke when i start it

Asked by Apr 01, 2012 at 10:43 AM about the Chevrolet C/K 1500

Question type: Maintenance & Repair

2 Answers

12,735

You have worn valve seals allowing oil into the combustion chamber at startup. It really wont hurt anything unless it gets real bad. Valve seals can be changed its a fairly involved project for the average person. If the engine has high mileage you can try using an oil treatment to reduce the smoke.

145

mine did that for 3 years just keep an eye on it

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