thick white smoke out tailpipe,plugs black, wont idle
just started one morning, came out to start it and this happened, already
changed ecm, had lean and app codes, voltage to low on app1 and app2
erased but neither has come back, all pids look good actually.
White thick smoke generally means your engine is burning coolant, indicated a faulty heat gasket. That will give you your idle issue. Plugs black also mean your engine is running rich. Perform a cylinder pressure test.
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