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Engine 'pinking' (pre-ignition) badly,

  • Birch Forest
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22 Sep 2016 19:27 #172701 by Birch Forest
Engine 'pinking' (pre-ignition) badly, was created by Birch Forest
I've got increasing pinking (pre-ignition) usually about 2,500rpm under slight load, on an old school engine I would tweek the distributor but on this VVT engine I'm a bit lost. Anybody able to help?

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22 Sep 2016 19:57 #172703 by Keithy
Not sure on VVT but my non vvt has a knock sensor in the centre of the block behind the inlet manifold.....single wire from it....it should auto retard if knock is encountered.....Put a timing light on it and see what the timing is maybe.

My test for knock sensors is hold engine at 2500 and using a steel bar and hammer to hit the sensor boss(part of the engine block) and see what the timing does.....old school/skool :D

I'd say check your fuel too as it could be too lean......not many have the facility for that though.

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  • Birch Forest
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22 Sep 2016 20:02 #172704 by Birch Forest
Replied by Birch Forest on topic Engine 'pinking' (pre-ignition) badly,
Thanks! I'll have a look in the morning! I did wonder about the fuel too!

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