2001 Isuzu Trooper Pinging

2001 ISUZU TROOPER
11,900 MILES • 6 CYL • 4WD • AUTOMATIC
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KELLYH
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What can I do in order for my car to stop pinging? I only use premimum gas, pulgs are fairly new, car has been kept in excellent running order, but for some reason it still pings.....
Jan 13, 2010 at 7:41 PM
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DOCFIXIT
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May be problem with EGR check to see if it opens and may need to remove and decarbon passageways
Jan 14, 2010 at 12:29 PM