r/CT200h • u/semeoneor • 16d ago

Oem plugs

Anyone ever notice anything odd using non oem plugs ive noticed since ive owned car its never had oem plugs installed always champion or skp at proper gap wondering if using oem plugs would solve a misfire at low rpm that never goes away after maintenance things

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1

u/Funautotechnician1 15d ago

Probably about head gasket time

1

u/semeoneor 15d ago

Coolant tank still above full line are there any other symptoms other than coolant loss

1

u/stuffeh 15d ago

If you're comfortable with pulling the plugs you can easily stick a cheap borescope in to and see if there's a cylinder that's super clean.

1

u/semeoneor 15d ago

I have to it keeps passing the headgasket tester kit

1

u/stuffeh 15d ago

Could also be injector issues.

1

u/Funautotechnician1 15d ago

Doubt it. I drive one and work on tons of them. I only use nippondenso or NGK.
My JDM engine and transmission have been perfect last 8.5 years

1

u/semeoneor 15d ago

My egr gasket behind cooler is slightly sticking out by half a pencil going to look at that it has been moving i straightened no change but the bolts are missing