Enough air-found mixture can seep around the throttle valve and through the idle system to maintain the dieseling.

 
  • 圍繞在節氣門(mén)處有足夠的空氣燃料混合氣經(jīng)怠速系統泄漏過(guò)來(lái)助長(cháng)了熄不了火現象。
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