Tony Cellana wrote:
> Damn, that's right those Pre Mags had an EGR.  A stuck EGR will also cause
> pinging.
> TonyC
> 
He has a '92 5.2.  '92 being the first year of the Magnum engines. 
However, you are right in that the '95 and older engines were OBD-I, and 
had an EGR valve.
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