2005 Chevy Colorado Smoking on start-up no code?

H

Handyman

New member
You could have a weak valve guide ,that's letting oil get by the guide,you could also have a weak oil ring which would allow oil to get on the top of the piston, the only other thing i can thank of is if the head gasket is letting coolant get into the cylinder(pison).
 
Hey out there, I've got a 2005 Chevy colorado, that is fogging/smoking every couple of start ups. It's not pulling a code, but about every 3rd or 4th start it lets out a big cloud of smoke. It had a sensor code a while back, and was idling rough found out it was some how low on oil, but has been running fine ever since. Could it be pulling oil or coolant? Thanks
 
You could have a weak valve guide ,that's letting oil get by the guide,you could also have a weak oil ring which would allow oil to get on the top of the piston, the only other thing i can thank of is if the head gasket is letting coolant get into the cylinder(pison).
 
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