2011 Elantra 1.8 Misfire Codes P0300-0304 Fix

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#11

02-10-2023, 11:41 AM

Elantra1.8

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Join Date: Jan 2023

Posts: 8

Quote:

Originally Posted by hanky

Sorry about that, work kinda spoils your whole day !

I get it. Thanks for all you post on this forum!

#12

02-10-2023, 02:31 PM

hanky

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Join Date: Sep 2013

Posts: 2,892

Always glad to help folks like you , it is a pleasure to share a little bit of knowledge.
It is a good place to learn and as for me , I learn something here every day.

#13

02-13-2023, 09:48 PM

Elantra1.8

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Join Date: Jan 2023

Posts: 8

And it's the Coils for the Win!

Installed four new coils and drove for 4 miles with zero issues including a clean scan (no codes). So it was intermittent weak coils My experience with spark plug wires (not coils), to date, as always been an insulation issue. I find it odd that coils get weak. I have a 19 year old Odyssey that has had zero coil issues to date.

Last edited by Elantra1.8; 02-13-2023 at 09:51 PM.

#14

02-13-2023, 09:52 PM

Elantra1.8

Junior Member

Thread Starter

Join Date: Jan 2023

Posts: 8

And it's the Coils for the Win!

Installed four new coils and drove for 4 miles with zero issues including a clean scan (no codes). So it was weak intermittent coils. My experience with spark plug wires (not coils), to date, as always been an insulation issue. I find it odd that coils get weak. I have a 19 year old Odyssey that has had zero coil issues to date.