PINGING SOUNDS

2005 Mini Cooper S

Tiny

ksavino

January, 28, 2010 AT 7:06 PM

Noises problem
2005 Mini Cooper S 4 cyl Front Wheel Drive Manual 40000 miles

hi. When I down-shift or slow down, I hear pinging noises from the back of the car- muffler area. What could this be? Does not happen when accelerating. Thanks.

FOUND 293 RELATED QUESTIONS

4.2 Pinging

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1 Answer

Tiny

mhpautos

January, 28, 2010 AT 7:31 PM

Hi there,

Thank you for the donation,

This can often be due to a lean mixture have this checked, you may also have a small exhaust leak up stream of the cat converter.

Mark (mhpautos)

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