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hey guys are you sure it's the throttle bodies? I've been told it's the electronic EGR valve doing its self check/self freeing of its shaft on shutdown. Concept is pretty
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03-18-2013, 02:30 AM
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Enthusiast Member
Join Date: Nov 2012
Location: Sydney
Posts: 428
Drives: 11 Nissan 370Z MB M6
Rep Power: 139   |
hey guys are you sure it's the throttle bodies? I've been told it's the electronic EGR valve doing its self check/self freeing of its shaft on shutdown. Concept is pretty much as ByThaBay described it.
Both my previous Mazda3's did it, gf's 2012 Mazda2 also. but all 4 cars have electronic throttle bodies too... it would be unusual if the butterfly flaps moved back & forth after shut down. You'd expect them to shut instantly & remain shut as a means of preventing an engine 'running away' |
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