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Old 04-30-2008
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I am: Henry Pozzuoli
Join Date: Apr 2008
Location: West Haven,
Vehicle: 1999 Mazda B4000
Posts: 4
Total Props: 0
pinging 4.0

I have a 1999 Mazda B4000 with a 4.0. Had the head gaskets replace and now it pings like the devil. Temp normal replaced plugs and wires no change. MAF was at boarder so replace it no change. Put 93 octane in it 60 % inprovement but still some ping. I should not need 93. No EGR or Knock sensor on this motor. Sounds like a timing problem but what controls it and how can I fix it.

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