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pinking or predetonation

  1. 2.0 TS Pinking/pre-detonation

    Alfa 147, 156 & GT
    Hey. Wonder if anyone has a good idea on this. Changed my thermostat a few weeks ago as the last one was sticking open. Now it's fine and get to 90 and stays there all day. But, the engine is pinking a bit now, under load, and when first coming on the throttle at light loads. I know the flexible...
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