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Posted by DanNY (91SE) on August 28, 2002 at 16:10:26:
In Reply to: Engine pinging up a long grade posted by BobB on August 28, 2002 at 15:51:42:
: My engine pings while driving up this long grade I have to take every day. Put premium fuel in it but no change when I hit this grade. Never any other place. Still can pass like a banshee ...lots of power. Suggestions on the cause & how to fix??? Thanks, BobB