On 1-Sep, 2012, at 19:51 , M.B. wrote:
>
> I've been having issues with a ping at high RPMs (over 4k) on my '95 318 Dak, generally only at wide throttle openings.
If it's not the belly pan, it could potentially be a forward O2 sensor going bad (but not out of spec) and the ECM leaning it out? Just a thought.
-- Michael Maskalans Rochester NY
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