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Continuous engine problems

iBd14U

By iBd14U,
in General Maintenance

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iBd14U Enthusiast

iBd14U

Posted
Posted

Hey people,

I need your help! I've recently done a general service at home. I changed the oil and spark plugs. I've used a high graded oil (Mobil 1) and copper plugs. I've been giving my car a run since the change and I'm getting a serious engine fluttering noise (which sounds like i'm red lining the car) but i'm only at mid-rev range. This usually happens in all gears between 2500 - 4000 RPM. Would anyone know what is going on with my car?

Is it because of the plugs? Its gapped a little wider then it should. Or would it be cause of something else? In desperate help...any help or ways to find out what is wrong is really appreciated!

Thanx

iBd14U

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BHDave Grand Master

BHDave

Posted
Posted

Id gap the plugs to the factory specs and see how she runs. It sounds like you are getting spark break down on the transition to boost. Smaller gap will fix it.

I wouldn't gap the plugs down any further than stock unless you have a fairly modded car and it had a misfiring problem already.

And as Jim says, make sure they are the equivalent heat range as the stockers and not too cold.

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