i have a dodge dakota 4.7engine 156,000 miles gives off a puff of smoke at start up

Tony E

New member
n sometimes after idle? after long idles when you kill the engine and restart it a puff of smoke comes out.It does not do this all the time. Every other start up
 
Either a valve stem seal is leaking oil into the cylinder, or a fuel injector that is staying in the open position and leaking down into the cylinder.
 
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