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Originally Posted by baddis
Problem: Engine "pinking" under moderate acceleration...
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Pinging is a term used of too early ignition; Common causes:
- bad gas (get better)
- dirty engine (clean; seafoam or water injection)
- dirty engine due to broken piston oil ring (long story)
- ign too advanced (first verify timing)
...those may have various reasons, mechanical & electric. ECU is the last one in the list.
Swap plugs, compare their looks on what u see at
www.ngk.com trouble chart.
What does the error code say???
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