"Plunk" sound abour 5 sec. after ignition off
#41
#46
I had the engine running with the hood up. Went over turned the engine off, and heard the "Plunk" right behind the air box. Took a quarter out, dropped it over the back of the engine, and "Poof"!, damn thing propositioned me. "Moon"
#47
its the throttle body plate closing
edit: my old cobalt did the same thing...and it was the 2.2...that i turbocharged....then we also have a saab 9-3T and it also makes this sound...its the electronic throttle plate de energizing
edit: my old cobalt did the same thing...and it was the 2.2...that i turbocharged....then we also have a saab 9-3T and it also makes this sound...its the electronic throttle plate de energizing
#48
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