explosive noise

Asked by snowdog676 Jan 09, 2016 at 07:35 AM about the 2008 INFINITI QX56

Question type: General

last night wqe were driving home and suddenly there was a huge explosive
noise accompanied by a yellow flash coming from under the car. The hazard
lights came on automatically. we thought we had blown a tire. Stopped and
checked and all was ok. we could find nothing wrong and drove it home
without incident.

3 Answers
223,915

Rowefast answered 8 years ago

Well I don't know what exactly happen but the yellow flash is excessive fuel in the exhaust and igniting. The only thing I can think of is a flooding issue, or timing. Wouldn't hurt to take it in to have it checked out. Especially if you happen to smell gas.

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F_O_R answered 8 years ago

Exhaust leaks can suck air into the system and provide the oxygen needed for a backfire. The yellow flash under the car tells me that you have an exhaust leak.

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