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Engine pinking/flat spots


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This engine can be especially sensitive to spark plugs gaps.     Could be worth a look.

You need 0.8mm for a standard VRS or 0.7mm for a remapped car.

thats very correct

if not gapped properly, they will not run properly at all,

if you fitted straight out the box this needs to be checked/done

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Is it really necessary to gap brand new spark plugs for stock cars(on remapped it's make sense a bit)?I was doing that ages ago on my old crappy '83 citroen,and because the engine was rubbish

Edited by IulianE
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yes it is necessary

you should always check plug gaps even if they say pre gapped, as they may be out or have been knocked etc.

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I think the view here for that engine would be 0.8mm.

I know what you mean, I have not gapped spark plugs for some years, but this engine is sensitive to correct gaps.

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What was the problem with the old coil packs anyway?

A certain variant of them was prone to failure, I think I read something about the shaft splitting. Also prone to 'popping off' too.

You'll be sorted with the new ones on :thumbup: .. let's hope it fixes your flat spots / hesitation / pinking too.

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  • 1 month later...

Right she's running nice now and here's what i did

Replaced coil packs under recall, replaced plugs, cleaned out throttle pot, changed air filter to piper X, Added a injecter cleaner.

She pulls right to the red line :happy:

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Right she's running nice now and here's what i did

Replaced coil packs under recall, replaced plugs, cleaned out throttle pot, changed air filter to piper X, Added a injecter cleaner.

She pulls right to the red line :happy:

just goes to show what a proper service will do, glad you got it sorted (btw a standard air filter is probably a better option)

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