Why is my car pinking under acceleration?

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Why is my car pinking under acceleration?

My 1999 Toyota MR2 seems to be rattling/pinking under acceleration. I’ve checked the timing and its spot on at 10’ BTDC. Can you suggest any other issues that could be causing it? It was recently serviced with new spark plugs, oil, filters, etc and is run on Shell Fuel Save petrol.

Asked on 6 July 2019 by John

Answered by Alan Ross

Given all that you have done, we would check /change the knock sensor. It may be worth checking the new spark plugs too - they should be at 0.8mm gap.

Tags: technical issues spark plugs engine issues

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